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C1 Rewrite the sentences below with to-infinitives.
1 The policemen ran so fast that they caught the thief.
The policemen ran fast enough .
2 Wendy has saved a lot of money so that she can buy a new computer.
Wendy has saved a lot of money in order .
3 He was so tired that he did not watch TV yesterday evening.
He was too tired .
4 Mrs Li goes jogging every day so that she can keep fit.
Mrs Li goes jogging every day in order .
5 He was so generous that he donated 10,000 yuan to Project Hope.
He was generous enough .
6 The box is so heavy that Andy cannot move it.
The box is too heavy for Andy .
1 The policemen ran so fast that they caught the thief.
The policemen ran fast enough .
2 Wendy has saved a lot of money so that she can buy a new computer.
Wendy has saved a lot of money in order .
3 He was so tired that he did not watch TV yesterday evening.
He was too tired .
4 Mrs Li goes jogging every day so that she can keep fit.
Mrs Li goes jogging every day in order .
5 He was so generous that he donated 10,000 yuan to Project Hope.
He was generous enough .
6 The box is so heavy that Andy cannot move it.
The box is too heavy for Andy .
答案
1. to catch the thief
2. to buy a new computer
3. to watch TV yesterday evening
4. to keep fit
5. to donate 10,000 yuan to Project Hope
6. to move
2. to buy a new computer
3. to watch TV yesterday evening
4. to keep fit
5. to donate 10,000 yuan to Project Hope
6. to move
解析
本题考查so...that...与enough to、too...to...以及so that与in order to的句式转换，需掌握相关不定式结构的用法：
1. “adj./adv.+enough to do sth.”表示“足够……去做某事”，可替换so...that...引导的肯定结果状语从句；
2. “in order to do sth.”表示“为了做某事”，可替换so that引导的目的状语从句；
3. “too+adj./adv.+to do sth.”表示“太……而不能做某事”，可替换so...that...引导的否定结果状语从句；
4. “too+adj./adv.+for sb. to do sth.”表示“对某人来说太……而不能做某事”，当动词的逻辑宾语是句子主语时，无需重复宾语。
1. “adj./adv.+enough to do sth.”表示“足够……去做某事”，可替换so...that...引导的肯定结果状语从句；
2. “in order to do sth.”表示“为了做某事”，可替换so that引导的目的状语从句；
3. “too+adj./adv.+to do sth.”表示“太……而不能做某事”，可替换so...that...引导的否定结果状语从句；
4. “too+adj./adv.+for sb. to do sth.”表示“对某人来说太……而不能做某事”，当动词的逻辑宾语是句子主语时，无需重复宾语。
C2 Rewrite the sentences below with adverbial clauses.
1 He is tall enough to reach the book on the fridge.
2 In order to pass the English exam, Charles is working hard these days.
3 This big house is too expensive for her to afford.
4 Tom watched many films in order to write a report on the development of films.
5 The trousers are too long to fit him.
6 The water is warm enough for you to have a shower now.
1 He is tall enough to reach the book on the fridge.
2 In order to pass the English exam, Charles is working hard these days.
3 This big house is too expensive for her to afford.
4 Tom watched many films in order to write a report on the development of films.
5 The trousers are too long to fit him.
6 The water is warm enough for you to have a shower now.
答案
1. He is so tall that he can reach the book on the fridge.
2. Charles is working hard these days so that he can pass the English exam.
3. This big house is so expensive that she can't afford it.
4. Tom watched many films so that he could write a report on the development of films.
5. The trousers are so long that they don't fit him.
6. The water is so warm that you can have a shower now.
2. Charles is working hard these days so that he can pass the English exam.
3. This big house is so expensive that she can't afford it.
4. Tom watched many films so that he could write a report on the development of films.
5. The trousers are so long that they don't fit him.
6. The water is so warm that you can have a shower now.
解析
本题考查将“enough...to”“too...to”“in order to”结构转换为状语从句的改写技巧，属于九年级下册状语从句的语法内容。具体转换规则：
1. “adj./adv.+enough+to do”可转换为“so+adj./adv.+that+肯定语气的状语从句”；
2. “too+adj./adv.+to do”可转换为“so+adj./adv.+that+否定语气的状语从句”；
3. “in order to do”表目的，可转换为“so that引导的目的状语从句”，注意主从句时态保持一致。
1. “adj./adv.+enough+to do”可转换为“so+adj./adv.+that+肯定语气的状语从句”；
2. “too+adj./adv.+to do”可转换为“so+adj./adv.+that+否定语气的状语从句”；
3. “in order to do”表目的，可转换为“so that引导的目的状语从句”，注意主从句时态保持一致。
