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Complete the sentences 1. They _ (finish) their homework already.2. John _ never _ (visit) China.3. Mr Li _ (repair) over ten bicycles since Monday. 4. We _ (not see) each other for years.5. Our teacher _ (teach) us a lot about the history of China.have finishedhas visitedhas repairedhavent seenhas taughtFill in the blanks.1. One Sunday morning, Millie and Amy _ to Sunshine Park. 2. It _ us about two hours to get there by bus. 3. He once _ to put in a brighter light in his bedroom, but he _ a mistake. 4. When she _ 20 months old, she _ to look after herself.5. _ you hear about the fire at a school in the UK last week? wenttooktriedmade waslearntDid一般一般过去时过去时构成构成用法用法常用常用时间时间状语状语动词的过去式动词的过去式1. 表示过去某个时表示过去某个时 间发生的动作或间发生的动作或 存在的状态。存在的状态。2. 表示过去经常或表示过去经常或 反复发生的动作。反复发生的动作。yesterdaylast nightin 1990two days ago I have learned to swim since I was born.I learned to swim at sixmonths.He has already finished his homework.He finished his homeworkjust now.We havent seen eachother for three months.We saw each other a moment ago.一、构成不同一、构成不同They lived here in 2011. 他们他们2011年住在这里。年住在这里。We have lived here for three years.我们已经在这里住了我们已经在这里住了3年了。年了。一般过去时：主语一般过去时：主语 + 谓语动词的过去式谓语动词的过去式现在完成时：现在完成时：havehas + 动词的过去分词动词的过去分词 We often use these time expressions with the simple past tense: yesterday the other day last. .ago二、时间状语不同二、时间状语不同We often use these time expressions with the present perfect tense:already up to now ever until/till now just so far recently (not) yet Daniel 两年前去了北京。两年前去了北京。Daniel went to Beijing two years ago.Daniel 已经在北京居住两年了。已经在北京居住两年了。Daniel has lived in Beijing for two years.We use simple past tense to tell what happened in the past.We use the present perfect tense to talk about an action that started in the past and continues to the present.三、用法不同三、用法不同1. 三年前他养了只猫做宠物。三年前他养了只猫做宠物。 He _ a cat as pet three years ago.2. 这只宠物猫他养了三年了。这只宠物猫他养了三年了。 He _ the pet cat for three years.kepthas keptDaniel 上个月买了台新电脑。上个月买了台新电脑。Daniel bought a new computer last month.Daniel已经买了台新电脑。已经买了台新电脑。Daniel has bought a new computer.(Daniel has a new computer now.)We use the simple past tense to tell what happened in the past.We use the present perfect tense to talk about the result of an action.When the action happened is not very important. It may have just happened or happened some time ago.1. 我上个星期去参观了那个新动物园。我上个星期去参观了那个新动物园。 I _ that new zoo last week.2. 我已经参观过那个新动物园了。我已经参观过那个新动物园了。 I _ that new zoo.visitedhave visited吴老师吴老师2010年和年和2011年访问过加拿大。年访问过加拿大。Mr Wu visited Canada in 2010 and 2011.吴老师已经去过加拿大两次。吴老师已经去过加拿大两次。Mr Wu has been to Canada twice.We use the simple past tense to tell what happened in the past.We use the present perfect tense to tell how many times an action has happened till now.1. 我上周看过这部电影。我上周看过这部电影。 I _ this movie last week.2. 我已经看过这部电影很多次。我已经看过这部电影很多次。 I _ this movie many times.sawhave seenSimon is showing Millie some pictures. Complete his sentences with the correct forms of the words in brackets.I _ (visit) the Palace Museum with my grandparents the other day.I _ (climb) Mount Huang last Summer.visitedclimbed_ you ever _ (try) the famous Tianjin Baozi?I am happy that I _(learn) to swim. Have tried have learntMr Wu is asking the students to make sentences with the correct tenses. Help them complete the sentences with the correct forms of the words in brackets.1. I _ (finish/ just) my homework. Millie _ (finish) her homework 20 minutes ago.2. I _ (write) an email to my friend yesterday. Daniel _ (write/ already) two emails.has already writtenhave just finishedwrotefinished3. I _(be) in Hainan last week. Some of our classmates _ (not be) to Hainan yet.4. I _ (live) in Sunshine Town since I was born. Daniel _ (live) in Nanjing in 2007.waslivedhave livedhaven not been句子中如有过去时的时间副词句子中如有过去时的时间副词（如（如yesterday, last week, in 1960）时，）时，不能使用现在完成时，要用过去时不能使用现在完成时，要用过去时。（错）（错）Tom has written a letter to his parents last night.（对）（对）Tom wrote a letter to his parents last night. Millie has never been to Nanjing. She is asking Simon about the city. Complete their conversation with the correct forms of the words in brackets.Millie: _ (you/be/ever) to Nanjing?Simon: Yes. I(2)_(be) there three times.Millie: When (3)_ (you/go) there last?Simon: Last summer. I (4)_(spend) a week there.Millie: (5)_ (you/like) it?Have you ever beenhave beendid you gospentDo you likeSimon: Oh yes. I (6)_ (have) a great time there. I (7)_ (visit) many places of interest and (8)_ (eat) lots of local food.Millie: Lucky you! I (9)_ (be/never) there.hadvisitedatehave never beenMillie is writing about the USA in her diary. Complete her diary entry with the correct forms of the verbs in the box.be buy read return see showSaturday, 15 MarchHave you ever dreamt of travelling around the world without a passport? Yes, you can realize your dream by taking an online tour. Yesterday Danniel (1)_ me an online tour of the USA. I (2)_ never _ so many wonderful pictrues before.showedhave seenLast week, I (3)_ a book about the places of interest in the USA. I (4)_ 20 pages already. Its really interesting. My dad (5)_ just _ from the USA, but I (6) _ never_ there. I hope I can visit the USA some day.be buy read return see showhave beenboughthave readhasreturnedTips:some day 和和 the other day 的区别：的区别：some day指将来指将来“总有一天、有朝一日、总有一天、有朝一日、终将、终将、(日后日后)某一天某一天”，谓语动词用，谓语动词用一般一般将来时将来时。如。如: Your wishes will come true some day.总有一天你的愿望会实现的。总有一天你的愿望会实现的。 Some day youll have to pay for what you have done. 总有一天你要为你的行为而付出代价的。总有一天你要为你的行为而付出代价的。 Tips:some day 和和 the other day 的区别：的区别：the other day 相当于相当于a few days ago, 意意为为“几天前、某天、那天、不久几天前、某天、那天、不久前前”，句中用一般过去时，句中用一般过去时。如：。如： I met her in the street the other day.几天前我在街上碰见过她。几天前我在街上碰见过她。 I bought the watch the other day.这手表我是几天前买的。这手表我是几天前买的。 1. Paul and I _ tennis yesterday. He did much better than I. (2011北京北京) A. play B. will play C. played D. are playing2. Mr. Black is going to marry a girl he _ in Japan last year. (2011内蒙古包头内蒙古包头) A. meets B. met C. has metD. would meetI. 单项选择。单项选择。3. Have you ever been to Canada? Yes, I _ there last year with my parents. (2011浙江丽水浙江丽水) A. have been B. have gone C. went D. go4. My aunt is a writer. She _ more than ten books since 1980. (2011北京北京) A. writes B. wrote C. has written D. will write5. How time flies! Several years _ since we started our middle school life. We will keep the pleasant experiences in our minds. (2012黑龙江哈尔滨黑龙江哈尔滨) A. have pass B. has passed C. will pass6. Where were you last Saturday? I _ in the Capital Museum. (2012北京北京) A. am B. will be C. was D. have been 7. I have been to Shanghai. I _ there last month. (2012天津天津) A. go B. went C. have gone D. will go8. What did you do last night? I _ TV and read books. (2013湖南娄底湖南娄底) A. watch B. watched C. have watched9. He _ for ten years. (2013四川雅安四川雅安) A. has been married B. married C. got married D. has married 10. Julies father _ to London last month. He _ there three times. (2013江苏连云港江苏连云港) A. went; had gone B. has gone; has been C. went; has been D. has been; had gone1) 一般过去时一般过去时表示过去某时发生的动作或表示过去某时发生的动作或单纯叙述过去的事情，单纯叙述过去的事情，强调动作强调动作；现在现在完成时完成时为过去发生的，强调过去的事情为过去发生的，强调过去的事情对现在的影响，对现在的影响，强调的是影响强调的是影响。2) 一般过去时常与具体的时间状语连用一般过去时常与具体的时间状语连用，而现在完成时通常与模糊的时间状语而现在完成时通常与模糊的时间状语连用，或无时间状语连用，或无时间状语。 一般过去时的时间状语一般过去时的时间状语：yesterday, last week, ago, in 1980, in October, just, now等，皆为具体的时间状语。等，皆为具体的时间状语。 Finish off the exercises in workbook.3) 现在完成时现在完成时可表示持续到现在的动作或可表示持续到现在的动作或状态，状态，动词一般是延续性的动词一般是延续性的，如：，如：live, teach, learn, work, study, know。一般过去时一般过去时常用的常用的非持续性动词非持续性动词有有come, go, leave, start, die, finish, become, get married等。等。现在完成时的时间状语现在完成时的时间状语：for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always等，皆不确定等，皆不确定的时间状语。的时间状语。共同的时间状语共同的时间状语：this morning, tonight, this April, now, already, recently, lately 等。等。
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