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Grammar不定式作状语不定式作状语 1) 不定式作目的状语：不定式作目的状语： He broke into the house to steal something. Many drug addicts are now in treatment centers to stop taking drugs. Hes saving up to buy a new car. He uses a computer to send emails. 2) 有时候在不定式前面加上有时候在不定式前面加上in order to 或或 so as to, 否定式为否定式为 in order not to 和和so as not to: Lets hurry so as to go to school in time. Lets hurry so as not to be late for school. She studied very hard in order to catch up with others. She studied very hard in order not to lag behind. 3) 不定式表示目的时不定式表示目的时, ,通常它的逻辑主语通常它的逻辑主语就是句子的主语就是句子的主语, ,但如果不是的话但如果不是的话, ,就要就要用用for 结构表示逻辑主语结构表示逻辑主语, ,如：如： Mom opened the door for Jane and Betty to come in. We are now using the series “ New Standard English” for students to make great progress.请注意以下结构：请注意以下结构：It is so kind of you to come and help us. (这时这时, you 既是既是to come and help us的主的主语，又是语，又是kind的逻辑主语）的逻辑主语） e.g. Its rude of him to say so. 不定式还可以作结果或原因状语：不定式还可以作结果或原因状语：表结果：表结果：What have I done to get all this?She went abroad never to return. He was so late as to miss half of the lecture. She is such a good student as to be respected by all her classmates. The house is large enough to hold two hundred by all her classmates. The house is large enough to hold two hundred people. He is too young to do the job. 表原因：表原因： She was surprised to see us in the street. He laughed to hear the news. The old lady rejoiced to learn that her son was the champion of the match. 2. so that 和和such (a, an) that 引导的结果状语从句引导的结果状语从句1)sothat 和和such (a, an)that都都引导结果状语从句引导结果状语从句Some of them behave so badly thatpeople call the police.It was such a dangerous drug that he nearly died. It was such loud music that we couldnt hear ourselves speak. 2) so 的后面跟形容词或副词：的后面跟形容词或副词： The night scene of that night was so beautiful that we didnt want to comeback at all. They played so happy that they forgot the time. 3) such (a,an) 后面跟名词后面跟名词 They were such dangerous drug dealers that people had to ask the police for help. It is such an interesting story that all of them like it. Summary: such+a+adj.+n.(可数可数)+that 从句从句such+adj.+n.(不可数不可数)+that从句从句so+adj+a+n.(可数可数)+that从句从句so+many/few+n. (可数可数) +that从句从句so+much/little+ n.(不可数不可数) +that从句从句4) 不定式做状语和结果状语的转换不定式做状语和结果状语的转换He was so late as to miss half of the lecture. He was so late that he missed half of the lecture. She is such a good student as to berespected by all her classmate. She is such a good student that she is respected by all her classmate. The house is large enough to hold two hundred people. The house is so large that it can hold two hundred people. He is too young to do the job. He is so young that he cant do the job. 补充补充:so, as a result of, as a result 三者的区别三者的区别1. so 表示结果，后面跟句子。如：表示结果，后面跟句子。如： The shops were closed so I didnt get any milk.2. as a result of +名词名词/ 动名词动名词/ 代词代词 表示表示原因原因 如：如：3. as a result 后面跟结果后面跟结果, 用在句子中间用在句子中间.Practice 1.Complete the sentence using to, so as (not) to or in order (not) to. There may be more than one possible answer.1.Some countries have banned smoking in public places _ improve public heath.2.Tom is in a treatment centre _ stop using drugs.3.I have stopped smoking _in order to/ so as to/ toin order to/ so as to/ toso as not to _ have health problems when I am older.4. I keep away from smokers _ start smoking again.5. The government is increasing the price of cigarettes _ stop smoking.6. Children do a lot of things _ be like adults.in order not toso as not to/ in order not to in order to/ so as to/ toin order to/ so as to/ to1. Crack cocaine _ an addictive drug that drug users steal to pay for it.2. Smoking is _ a common activity that many people dont know it is dangerous.3. Drug addition is _ a serious problem that the government is opening more treatment centres.4. The cost of treatment is _ expensive that only a few addicts get help. 2. Fill the blank with so or such.sosuchsuchsuch3. Complete the sentences with so, as a result of, or as a result.1. He couldnt stop drinking alcohol, _ he went into a treatment centre.2. “Ive stopped smoking. _, I feel really fit and healthy.3. He has got lung cancer _ smoking twenty cigarettes a day.4. She got AIDS _ injecting drugs.soAs a resultas a result ofas a result of5. Many people die _ living or working with heavy smokers.6. The police arrested him burglary. _ he is now in prison.as a result ofAs a result
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