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Unit 5 The power of nature Period3Period3Learning about LanguageStep1 Discover useful words and expressions1. Watch the video of an episode of Vesuvius eruption.2. Look at some pictures of Vesuvius volcano and learn about it. This mountain has erupted more than 50 times since the eruption in 79 AD, when it buried Pompeii and its sister city, Herculaneum. After Pompeii was buried and lost to history, the volcano continued to erupt every 100 years until about 1037 A.D., when it entered a 600-year period of quiescence. In 1631, the volcano killed an additional 4000 unsuspecting inhabitants. Mount Vesuvius 1. Complete the text with the words below in their proper forms.The eruption of Mount Vesuvius in 79 AD took People in Pompeii by surprise. It was so quick and so severe that the town was soon covered in _ and _. Many houses in the town were _. It was an _ disaster for many people who could not get away in time. A writerashlavaburned to the groundabsoluteNamed Pliny, who was there during the _, described how lava was thrown into the air like a _._ many of the townspeople, _ at the _ sight of Vesuvius eruption, stayed too long and failed to escape in time.eruptionfountainUnfortunatelyamazedfantastic2. Find suitable words or expressions from the texts in the unit so far to fill in the blanks.1) I went to a tea house with two friends last weekend but all they talked about was volcanoes. I was so _ that I fell asleep.2). A tourist very foolishly took a risk by walking right to the edge of an active _.boredvolcano3). I carefully _ over the fallen rocks and returned to the car.made my way4). Nothing can _ the experience of standing close to an active volcano for the first time.Compare with5). Can volcanologists predict when a volcano will _?erupt6). The sight of hot lava entering the sea at dawn was _.impressiveStep2 Grammar v-ing 的一般式的一般式和完成式和完成式1. Watch a flash . From the flash we can review the differences between v-ing and the past participle.a. 现在分词表示主动现在分词表示主动, 过去分词表示被动过去分词表示被动.b. 现在分词表示进行中的动作现在分词表示进行中的动作, 过去分词过去分词表示动作已完成表示动作已完成.2. Change the following sentences into v-ing form.1). I was feeling tired. I went to bed early.改成改成:Feeling tired, I went to bed early.相当于相当于: As I felt tired, I went to bed early.2) I worked hard all day. I went to bed early.改成改成:Having worked hard all day, I went to bed early.相当于相当于: After I worked hard all day, I went to bed early.可以看出可以看出:a. 分词的一般式说明分词的动作与主句分词的一般式说明分词的动作与主句的谓语动词的动作是同时发生的的谓语动词的动作是同时发生的.b. 分词的完成式说明分词的动作发分词的完成式说明分词的动作发生在主句谓语动词的动作之前生在主句谓语动词的动作之前.巩固练习：巩固练习：现在分词的一般式和完成现在分词的一般式和完成式之间进行互换。式之间进行互换。1). Studying volcanoes, I am amazed at their beauty as well as their potential to cause great damage.改成改成:Having studied volcanoes for twenty years, I am still amazed at their beauty as well as their potential to cause great damage.2). Having stood for several minutes, I saw some of my friends chatting at a table.改成改成:Arriving there, I saw some of my friends chatting at a table.3). Writing the letter, he left out something important.改成改成:Having written the letter, he read it carefully.3. 用分词改写句子用分词改写句子:1) As I didnt know how to find the subway, I called a policeman for help.改成改成:Not knowing how to find the subway, I called a policeman for help.2) She didnt receive her fathers reply, so she wrote a letter again.改成改成:Not having received her fathers reply, she wrote a letter again.可以看出可以看出: 分词的否定式是在分词前面分词的否定式是在分词前面加上否定词加上否定词not.4. 小结小结-ing 形式的形式的用法用法1. ing 形式作状语形式作状语用法用法例句例句时间时间 Seeing those pictures, she remembered her childhood. (= When she saw those pictures)用法用法例句例句原因原因 Being tired, I stopped to take a rest.(= Because I was tired, .)条件条件 Standing at the foot of a high mountain, you will find yourself very small. (= If you stand at the foot of a high mountain, .)用法用法例句例句让步让步 Knowing where I live, he never comes to see me .(= Though he knows where I live, .)用法用法例句例句伴随伴随 They stood there, watching the stars in the sky. (= , and watched the stars in the sky.)结果结果 She was so angry that she threw the toy on the ground, breaking it into pieces.(=, and broke it into pieces.)2. ing形式的完成式形式的完成式句句型型主主动动Having +p.p. , 主语主语+谓语谓语Having finished my work, I went home. (= After I had finished my work, .)被被动动(Having been) +p.p. , 主语主语+谓语谓语(Having been) written in haste, the book has some faults.用法用法 ing形式的完成式所表示的时间在谓形式的完成式所表示的时间在谓语动词之前语动词之前3. Ing形式的否定式形式的否定式Ing 一般式一般式的否定式的否定式Not +v-ing, Not knowing how to find the subway, I asked a policeman for help. Ing 完成式完成式的否定式的否定式Not +having doneNot having experienced an earthquake before, I was frightened. 5. 使用使用- ing形式需注意的问题。形式需注意的问题。分词分词 (短语短语) 作状语时作状语时, 其逻辑主语必须其逻辑主语必须与句子的主语一致。与句子的主语一致。如果不一致，必须如果不一致，必须用独立主格结构来表示，也就是在分词用独立主格结构来表示，也就是在分词前面加上它的逻辑主语。前面加上它的逻辑主语。 The train having gone, we had to wait another day.（the train逻辑主语逻辑主语 + having gone 即为独立主格结构）即为独立主格结构）Weather permitting, we will go for a picnic tomorrow. （weather逻辑主语逻辑主语 + doing 即为独立主格结构即为独立主格结构. 6. Watch a flash.巩固巩固v-ing形式作状语以及独立主格结构形式作状语以及独立主格结构.7. Find in the text the sentences with v-ing forms or the perfect ing form.8. Finish Exercise3, 4, 5, 6 on page36 and page 37.1. 完成完成Workbook P71,72的练习的练习.Homework2. Make up a dialogue according to the situation: Your group go to a volcano to collect a sample of boiling lava, take measurement in the crater and fly over a volcano to make a map of the direction of the lava. You will meet a lot of difficulties and have to overcome them.Period3Period3Learning about LanguageStep1 Discover useful words and expressions1. Watch the video of an episode of Vesuvius eruption.2. Look at some pictures of Vesuvius volcano and learn about it. This mountain has erupted more than 50 times since the eruption in 79 AD, when it buried Pompeii and its sister city, Herculaneum. After Pompeii was buried and lost to history, the volcano continued to erupt every 100 years until about 1037 A.D., when it entered a 600-year period of quiescence. In 1631, the volcano killed an additional 4000 unsuspecting inhabitants. Mount Vesuvius 1. Complete the text with the words below in their proper forms.The eruption of Mount Vesuvius in 79 AD took People in Pompeii by surprise. It was so quick and so severe that the town was soon covered in _ and _. Many houses in the town were _. It was an _ disaster for many people who could not get away in time. A writerashlavaburned to the groundabsoluteNamed Pliny, who was there during the _, described how lava was thrown into the air like a _._ many of the townspeople, _ at the _ sight of Vesuvius eruption, stayed too long and failed to escape in time.eruptionfountainUnfortunatelyamazedfantastic2. Find suitable words or expressions from the texts in the unit so far to fill in the blanks.1) I went to a tea house with two friends last weekend but all they talked about was volcanoes. I was so _ that I fell asleep.2). A tourist very foolishly took a risk by walking right to the edge of an active _.boredvolcano3). I carefully _ over the fallen rocks and returned to the car.made my way4). Nothing can _ the experience of standing close to an active volcano for the first time.Compare with5). Can volcanologists predict when a volcano will _?erupt6). The sight of hot lava entering the sea at dawn was _.impressiveStep2 Grammar v-ing 的一般式的一般式和完成式和完成式1. Watch a flash . From the flash we can review the differences between v-ing and the past participle.a. 现在分词表示主动现在分词表示主动, 过去分词表示被动过去分词表示被动.b. 现在分词表示进行中的动作现在分词表示进行中的动作, 过去分词过去分词表示动作已完成表示动作已完成.2. Change the following sentences into v-ing form.1). I was feeling tired. I went to bed early.改成改成:Feeling tired, I went to bed early.相当于相当于: As I felt tired, I went to bed early.2) I worked hard all day. I went to bed early.改成改成:Having worked hard all day, I went to bed early.相当于相当于: After I worked hard all day, I went to bed early.可以看出可以看出:a. 分词的一般式说明分词的动作与主句分词的一般式说明分词的动作与主句的谓语动词的动作是同时发生的的谓语动词的动作是同时发生的.b. 分词的完成式说明分词的动作发分词的完成式说明分词的动作发生在主句谓语动词的动作之前生在主句谓语动词的动作之前.巩固练习：巩固练习：现在分词的一般式和完成现在分词的一般式和完成式之间进行互换。式之间进行互换。1). Studying volcanoes, I am amazed at their beauty as well as their potential to cause great damage.改成改成:Having studied volcanoes for twenty years, I am still amazed at their beauty as well as their potential to cause great damage.2). Having stood for several minutes, I saw some of my friends chatting at a table.改成改成:Arriving there, I saw some of my friends chatting at a table.3). Writing the letter, he left out something important.改成改成:Having written the letter, he read it carefully.3. 用分词改写句子用分词改写句子:1) As I didnt know how to find the subway, I called a policeman for help.改成改成:Not knowing how to find the subway, I called a policeman for help.2) She didnt receive her fathers reply, so she wrote a letter again.改成改成:Not having received her fathers reply, she wrote a letter again.可以看出可以看出: 分词的否定式是在分词前面分词的否定式是在分词前面加上否定词加上否定词not.4. 小结小结-ing 形式的形式的用法用法1. ing 形式作状语形式作状语用法用法例句例句时间时间 Seeing those pictures, she remembered her childhood. (= When she saw those pictures)用法用法例句例句原因原因 Being tired, I stopped to take a rest.(= Because I was tired, .)条件条件 Standing at the foot of a high mountain, you will find yourself very small. (= If you stand at the foot of a high mountain, .)用法用法例句例句让步让步 Knowing where I live, he never comes to see me .(= Though he knows where I live, .)用法用法例句例句伴随伴随 They stood there, watching the stars in the sky. (= , and watched the stars in the sky.)结果结果 She was so angry that she threw the toy on the ground, breaking it into pieces.(=, and broke it into pieces.)2. ing形式的完成式形式的完成式句句型型主主动动Having +p.p. , 主语主语+谓语谓语Having finished my work, I went home. (= After I had finished my work, .)被被动动(Having been) +p.p. , 主语主语+谓语谓语(Having been) written in haste, the book has some faults.用法用法 ing形式的完成式所表示的时间在谓形式的完成式所表示的时间在谓语动词之前语动词之前3. Ing形式的否定式形式的否定式Ing 一般式一般式的否定式的否定式Not +v-ing, Not knowing how to find the subway, I asked a policeman for help. Ing 完成式完成式的否定式的否定式Not +having doneNot having experienced an earthquake before, I was frightened. 5. 使用使用- ing形式需注意的问题。形式需注意的问题。分词分词 (短语短语) 作状语时作状语时, 其逻辑主语必须其逻辑主语必须与句子的主语一致。与句子的主语一致。如果不一致，必须如果不一致，必须用独立主格结构来表示，也就是在分词用独立主格结构来表示，也就是在分词前面加上它的逻辑主语。前面加上它的逻辑主语。 The train having gone, we had to wait another day.（the train逻辑主语逻辑主语 + having gone 即为独立主格结构）即为独立主格结构）Weather permitting, we will go for a picnic tomorrow. （weather逻辑主语逻辑主语 + doing 即为独立主格结构即为独立主格结构. 6. Watch a flash.巩固巩固v-ing形式作状语以及独立主格结构形式作状语以及独立主格结构.7. Find in the text the sentences with v-ing forms or the perfect ing form.8. Finish Exercise3, 4, 5, 6 on page36 and page 37.1. 完成完成Workbook P71,72的练习的练习.Homework2. Make up a dialogue according to the situation: Your group go to a volcano to collect a sample of boiling lava, take measurement in the crater and fly over a volcano to make a map of the direction of the lava. You will meet a lot of difficulties and have to overcome them.Period3Period3Learning about LanguageStep1 Discover useful words and expressions1. Watch the video of an episode of Vesuvius eruption.2. Look at some pictures of Vesuvius volcano and learn about it. This mountain has erupted more than 50 times since the eruption in 79 AD, when it buried Pompeii and its sister city, Herculaneum. After Pompeii was buried and lost to history, the volcano continued to erupt every 100 years until about 1037 A.D., when it entered a 600-year period of quiescence. In 1631, the volcano killed an additional 4000 unsuspecting inhabitants. Mount Vesuvius 1. Complete the text with the words below in their proper forms.The eruption of Mount Vesuvius in 79 AD took People in Pompeii by surprise. It was so quick and so severe that the town was soon covered in _ and _. Many houses in the town were _. It was an _ disaster for many people who could not get away in time. A writerashlavaburned to the groundabsoluteNamed Pliny, who was there during the _, described how lava was thrown into the air like a _._ many of the townspeople, _ at the _ sight of Vesuvius eruption, stayed too long and failed to escape in time.eruptionfountainUnfortunatelyamazedfantastic2. Find suitable words or expressions from the texts in the unit so far to fill in the blanks.1) I went to a tea house with two friends last weekend but all they talked about was volcanoes. I was so _ that I fell asleep.2). A tourist very foolishly took a risk by walking right to the edge of an active _.boredvolcano3). I carefully _ over the fallen rocks and returned to the car.made my way4). Nothing can _ the experience of standing close to an active volcano for the first time.Compare with5). Can volcanologists predict when a volcano will _?erupt6). The sight of hot lava entering the sea at dawn was _.impressiveStep2 Grammar v-ing 的一般式的一般式和完成式和完成式1. Watch a flash . From the flash we can review the differences between v-ing and the past participle.a. 现在分词表示主动现在分词表示主动, 过去分词表示被动过去分词表示被动.b. 现在分词表示进行中的动作现在分词表示进行中的动作, 过去分词过去分词表示动作已完成表示动作已完成.2. Change the following sentences into v-ing form.1). I was feeling tired. I went to bed early.改成改成:Feeling tired, I went to bed early.相当于相当于: As I felt tired, I went to bed early.2) I worked hard all day. I went to bed early.改成改成:Having worked hard all day, I went to bed early.相当于相当于: After I worked hard all day, I went to bed early.可以看出可以看出:a. 分词的一般式说明分词的动作与主句分词的一般式说明分词的动作与主句的谓语动词的动作是同时发生的的谓语动词的动作是同时发生的.b. 分词的完成式说明分词的动作发分词的完成式说明分词的动作发生在主句谓语动词的动作之前生在主句谓语动词的动作之前.巩固练习：巩固练习：现在分词的一般式和完成现在分词的一般式和完成式之间进行互换。式之间进行互换。1). Studying volcanoes, I am amazed at their beauty as well as their potential to cause great damage.改成改成:Having studied volcanoes for twenty years, I am still amazed at their beauty as well as their potential to cause great damage.2). Having stood for several minutes, I saw some of my friends chatting at a table.改成改成:Arriving there, I saw some of my friends chatting at a table.3). Writing the letter, he left out something important.改成改成:Having written the letter, he read it carefully.3. 用分词改写句子用分词改写句子:1) As I didnt know how to find the subway, I called a policeman for help.改成改成:Not knowing how to find the subway, I called a policeman for help.2) She didnt receive her fathers reply, so she wrote a letter again.改成改成:Not having received her fathers reply, she wrote a letter again.可以看出可以看出: 分词的否定式是在分词前面分词的否定式是在分词前面加上否定词加上否定词not.4. 小结小结-ing 形式的形式的用法用法1. ing 形式作状语形式作状语用法用法例句例句时间时间 Seeing those pictures, she remembered her childhood. (= When she saw those pictures)用法用法例句例句原因原因 Being tired, I stopped to take a rest.(= Because I was tired, .)条件条件 Standing at the foot of a high mountain, you will find yourself very small. (= If you stand at the foot of a high mountain, .)用法用法例句例句让步让步 Knowing where I live, he never comes to see me .(= Though he knows where I live, .)用法用法例句例句伴随伴随 They stood there, watching the stars in the sky. (= , and watched the stars in the sky.)结果结果 She was so angry that she threw the toy on the ground, breaking it into pieces.(=, and broke it into pieces.)2. ing形式的完成式形式的完成式句句型型主主动动Having +p.p. , 主语主语+谓语谓语Having finished my work, I went home. (= After I had finished my work, .)被被动动(Having been) +p.p. , 主语主语+谓语谓语(Having been) written in haste, the book has some faults.用法用法 ing形式的完成式所表示的时间在谓形式的完成式所表示的时间在谓语动词之前语动词之前3. Ing形式的否定式形式的否定式Ing 一般式一般式的否定式的否定式Not +v-ing, Not knowing how to find the subway, I asked a policeman for help. Ing 完成式完成式的否定式的否定式Not +having doneNot having experienced an earthquake before, I was frightened. 5. 使用使用- ing形式需注意的问题。形式需注意的问题。分词分词 (短语短语) 作状语时作状语时, 其逻辑主语必须其逻辑主语必须与句子的主语一致。与句子的主语一致。如果不一致，必须如果不一致，必须用独立主格结构来表示，也就是在分词用独立主格结构来表示，也就是在分词前面加上它的逻辑主语。前面加上它的逻辑主语。 The train having gone, we had to wait another day.（the train逻辑主语逻辑主语 + having gone 即为独立主格结构）即为独立主格结构）Weather permitting, we will go for a picnic tomorrow. （weather逻辑主语逻辑主语 + doing 即为独立主格结构即为独立主格结构. 6. Watch a flash.巩固巩固v-ing形式作状语以及独立主格结构形式作状语以及独立主格结构.7. Find in the text the sentences with v-ing forms or the perfect ing form.8. Finish Exercise3, 4, 5, 6 on page36 and page 37.1. 完成完成Workbook P71,72的练习的练习.Homework2. Make up a dialogue according to the situation: Your group go to a volcano to collect a sample of boiling lava, take measurement in the crater and fly over a volcano to make a map of the direction of the lava. You will meet a lot of difficulties and have to overcome them.Step1 Discover useful words and expressions1. Watch the video of an episode of Vesuvius eruption.2. Look at some pictures of Vesuvius volcano and learn about it. This mountain has erupted more than 50 times since the eruption in 79 AD, when it buried Pompeii and its sister city, Herculaneum. After Pompeii was buried and lost to history, the volcano continued to erupt every 100 years until about 1037 A.D., when it entered a 600-year period of quiescence. In 1631, the volcano killed an additional 4000 unsuspecting inhabitants. Mount Vesuvius 1. Complete the text with the words below in their proper forms.The eruption of Mount Vesuvius in 79 AD took People in Pompeii by surprise. It was so quick and so severe that the town was soon covered in _ and _. Many houses in the town were _. It was an _ disaster for many people who could not get away in time. A writerashlavaburned to the groundabsoluteNamed Pliny, who was there during the _, described how lava was thrown into the air like a _._ many of the townspeople, _ at the _ sight of Vesuvius eruption, stayed too long and failed to escape in time.eruptionfountainUnfortunatelyamazedfantastic2. Find suitable words or expressions from the texts in the unit so far to fill in the blanks.1) I went to a tea house with two friends last weekend but all they talked about was volcanoes. I was so _ that I fell asleep.2). A tourist very foolishly took a risk by walking right to the edge of an active _.boredvolcano3). I carefully _ over the fallen rocks and returned to the car.made my way4). Nothing can _ the experience of standing close to an active volcano for the first time.Compare with5). Can volcanologists predict when a volcano will _?erupt6). The sight of hot lava entering the sea at dawn was _.impressiveStep2 Grammar v-ing 的一般式的一般式和完成式和完成式1. Watch a flash . From the flash we can review the differences between v-ing and the past participle.a. 现在分词表示主动现在分词表示主动, 过去分词表示被动过去分词表示被动.b. 现在分词表示进行中的动作现在分词表示进行中的动作, 过去分词过去分词表示动作已完成表示动作已完成.2. Change the following sentences into v-ing form.1). I was feeling tired. I went to bed early.改成改成:Feeling tired, I went to bed early.相当于相当于: As I felt tired, I went to bed early.2) I worked hard all day. I went to bed early.改成改成:Having worked hard all day, I went to bed early.相当于相当于: After I worked hard all day, I went to bed early.可以看出可以看出:a. 分词的一般式说明分词的动作与主句分词的一般式说明分词的动作与主句的谓语动词的动作是同时发生的的谓语动词的动作是同时发生的.b. 分词的完成式说明分词的动作发分词的完成式说明分词的动作发生在主句谓语动词的动作之前生在主句谓语动词的动作之前.巩固练习：巩固练习：现在分词的一般式和完成现在分词的一般式和完成式之间进行互换。式之间进行互换。1). Studying volcanoes, I am amazed at their beauty as well as their potential to cause great damage.改成改成:Having studied volcanoes for twenty years, I am still amazed at their beauty as well as their potential to cause great damage.2). Having stood for several minutes, I saw some of my friends chatting at a table.改成改成:Arriving there, I saw some of my friends chatting at a table.3). Writing the letter, he left out something important.改成改成:Having written the letter, he read it carefully.3. 用分词改写句子用分词改写句子:1) As I didnt know how to find the subway, I called a policeman for help.改成改成:Not knowing how to find the subway, I called a policeman for help.2) She didnt receive her fathers reply, so she wrote a letter again.改成改成:Not having received her fathers reply, she wrote a letter again.可以看出可以看出: 分词的否定式是在分词前面分词的否定式是在分词前面加上否定词加上否定词not.4. 小结小结-ing 形式的形式的用法用法1. ing 形式作状语形式作状语用法用法例句例句时间时间 Seeing those pictures, she remembered her childhood. (= When she saw those pictures)用法用法例句例句原因原因 Being tired, I stopped to take a rest.(= Because I was tired, .)条件条件 Standing at the foot of a high mountain, you will find yourself very small. (= If you stand at the foot of a high mountain, .)用法用法例句例句让步让步 Knowing where I live, he never comes to see me .(= Though he knows where I live, .)用法用法例句例句伴随伴随 They stood there, watching the stars in the sky. (= , and watched the stars in the sky.)结
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