高二英语第三单元
addition to除……之外、turn to翻到，求助于、look forward to盼望、set five to放心、devote…to …献于……
1. (MET’88)Mother us stories when we were young .
A. was used to tell B. is used to telling C. used to tell D. used to telling
sb . be used to doing习惯于、sb . used to do过去常干、sth . be used to do被用来干……故选C。
2. (MET’90上海题)We’re looking forward to your country .
A. visiting B. visit C. be visiting D. being visiting
3. (MET’95上海题)She looks forward every spring to the flower lined garden .
A. visit B. paying C. walk in D. walking in
只要掌握look forward to中的to为介词，那么2选A，3选D。至于短语动词中的夹杂状语起修饰性并不喧宾夺主。如：
She found herself looking forward more and more eagerly to the holiday at home .
They looked forward very much to seeing him again .
（二）、常见以不定式符号to结尾的词组。
so as to以便做、It’s worth while + ing (to do )值得做、in order to目的是做、ought to应该做、be willing to乐意做、It takes sb . time to do花时间做、be anxious to急于做、happen to碰巧做、be eager to渴望做、It costs sb + money to do花钱做、be afraid to怕做、chance to恰巧做、be ready to准备做，乐意做、be so + adj + as to do如此……以致于……、be about to正准备做，将做、make up one’t mind to决心做、pretend to假装做、be + adj + enough to do足以做、intend do打算做、used to过去常做、be too …to do太……以致于、would / should love to很想做、plan to计划做、expect to期待做、prefer to do…rather than do宁愿做……而不愿做……
4. (NMET’94) Rather than on a crowded bus , he always prefers a bicycle .
A. ride , ride B. riding , ride C. ride , to ride D. to ride , riding
5. (NMET’90) Tom kept quiet about the accident lose his job .
A. so not as to B. so as not to C. so as to not D. not so as to
6. (MET’93上海题) Children at the beginning of this century a lot and themselves greatly even without television .
A. used to read …enjoying
B. used to read …enjoyed
C. were used to reading…enjoy
D. were used to read …enjoying
答案：4.C 5.B 6.B
（三）、特殊结构中的to。
①to构成的短语作插入语。如：
to tell (you) the truth说真的、Truth to tell实不相瞒、to begin / start with首先、to be more exact确切地讲、to make a long story short长话短说，简而言之、to be fair公平地说，凭心而论、to be sure肯定地，毫无疑问地……
②保留to去代表省略的不定式。如：
－Would you like to come to dinner tonight ? (NMET’94)
－I’d like to , but I’m too busy .
－Tom , do you plan to go skating ?
－Yes , we plan to .
③平行结构中的小品词to不可省。如：
To see is to believe . = Seeing is believing .
It’s better to laugh than to cry .
④介词to加名词频频亮相。如：
a monument to the heroes、a bridge to knowledge、a visitor to the city、answer to this problem、keys to the exercises、the entrance to / of a valley、the key to the door、the key to success、a traitor to one’s country、the passage to the room、the notes to the text…
⑤介词to与“情感、心理”相连。如：
to one’s (great) surprise / satisfaction / joy / disappointment / regret…
⑥奇怪的小品副词to。如：
I guessed from the hurrying to and fro〈来来回回〉in the house that something unusual was about to happen .
（四）、to是介词还是不定式符号，根据不同的含义而定。
1.agree to同意
I don’t agree to his proposal . (to是介词)
He agreed to help me two days later .(to是不定式符号)
2.come to来；谈论
He has a lot of money coming to him . (to是介词)
He came to realize that he was wrong .(to是不定式符号)
3.get to到达；逐步
When did you get to the station . (to是介词)
You’ll get to like the work . (to是不定式符号)
4.on the / one’s way to在……途中；即将……
I lost my pen on the way to school . (to是介词)
She is on the way to see a film . (to是不定式符号)
5.happen to发生；碰巧
What happened to you ? (to是介词)
He happened to pass by the station . (to是不定式符号)
（五）、to后与名词、动词构成成语或短语。
go to college上大学 go to school去上学 face to face面对面 put to use利用 get to know知道…… go to bed上床睡觉 go to cinema看电影 sentence sb. to death处死…… come to a stop停止
【动手动脑】
To-infinitive , Infinitive Without To or Just To
英语中不定式有时候要加to，有时候不加to，有时候只要一个to把动词省去不用。到底该怎样正确运用不定式，有些同学对此感到束手无策，那么不妨做下面这些练习，定会对你有所帮助。
1.Don’t ask him to do that if he doesn’t want . (to do , do , to)
2.They could do nothing but . (to wait , wait)
3.We wondered whether (to go , go) forward or turn ,to turn) back .
4.Do what the teacher has told us . (to , to do , do)
5.Hearing this Tom didn’t know whether to laugh or . (to cry , cry)
6.－Would you like to go to the concert with me ?
－Yes , I’d like . (to go , to , go)
7.She doesn’t have to get up so early as she used .(to , to get up)
8. I would rather (to walk , walk) home than (take , to take) a bus .
9.The little child had no choice but . (to cry , cry)
10.Hadn’t you better (to hurry , hurry) if you want to catch the first bus ?
11.－She has to make a special trip to the store to get some salt .
－Does she have ? (to make , to , ×)
12.The policeman let those boys (to go , go), hoping they would learn from their mistake and (to obey , obey) the rules in the future .
13.That’s too good a chance (to let , let) .(pass , to pass)
14.I don’t think he need (tell , to tell) me .
15.I’ll try to help you it . (to do , to )
16.He went to America pennilessly , (return , to return) home forty years as a millionaire .
17.My brother has made a radio (listen , to listen ) to music .
18.They did all they could (help , to help) her .
19.－Ought I to go ?
－Yes , I think you ought . (to , ×)
20.Since 《高二英语第三单元(第4页)》
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1. (MET’88)Mother us stories when we were young .
A. was used to tell B. is used to telling C. used to tell D. used to telling
sb . be used to doing习惯于、sb . used to do过去常干、sth . be used to do被用来干……故选C。
2. (MET’90上海题)We’re looking forward to your country .
A. visiting B. visit C. be visiting D. being visiting
3. (MET’95上海题)She looks forward every spring to the flower lined garden .
A. visit B. paying C. walk in D. walking in
只要掌握look forward to中的to为介词，那么2选A，3选D。至于短语动词中的夹杂状语起修饰性并不喧宾夺主。如：
She found herself looking forward more and more eagerly to the holiday at home .
They looked forward very much to seeing him again .
（二）、常见以不定式符号to结尾的词组。
so as to以便做、It’s worth while + ing (to do )值得做、in order to目的是做、ought to应该做、be willing to乐意做、It takes sb . time to do花时间做、be anxious to急于做、happen to碰巧做、be eager to渴望做、It costs sb + money to do花钱做、be afraid to怕做、chance to恰巧做、be ready to准备做，乐意做、be so + adj + as to do如此……以致于……、be about to正准备做，将做、make up one’t mind to决心做、pretend to假装做、be + adj + enough to do足以做、intend do打算做、used to过去常做、be too …to do太……以致于、would / should love to很想做、plan to计划做、expect to期待做、prefer to do…rather than do宁愿做……而不愿做……
4. (NMET’94) Rather than on a crowded bus , he always prefers a bicycle .
A. ride , ride B. riding , ride C. ride , to ride D. to ride , riding
5. (NMET’90) Tom kept quiet about the accident lose his job .
A. so not as to B. so as not to C. so as to not D. not so as to
6. (MET’93上海题) Children at the beginning of this century a lot and themselves greatly even without television .
A. used to read …enjoying
B. used to read …enjoyed
C. were used to reading…enjoy
D. were used to read …enjoying
答案：4.C 5.B 6.B
（三）、特殊结构中的to。
①to构成的短语作插入语。如：
to tell (you) the truth说真的、Truth to tell实不相瞒、to begin / start with首先、to be more exact确切地讲、to make a long story short长话短说，简而言之、to be fair公平地说，凭心而论、to be sure肯定地，毫无疑问地……
②保留to去代表省略的不定式。如：
－Would you like to come to dinner tonight ? (NMET’94)
－I’d like to , but I’m too busy .
－Tom , do you plan to go skating ?
－Yes , we plan to .
③平行结构中的小品词to不可省。如：
To see is to believe . = Seeing is believing .
It’s better to laugh than to cry .
④介词to加名词频频亮相。如：
a monument to the heroes、a bridge to knowledge、a visitor to the city、answer to this problem、keys to the exercises、the entrance to / of a valley、the key to the door、the key to success、a traitor to one’s country、the passage to the room、the notes to the text…
⑤介词to与“情感、心理”相连。如：
to one’s (great) surprise / satisfaction / joy / disappointment / regret…
⑥奇怪的小品副词to。如：
I guessed from the hurrying to and fro〈来来回回〉in the house that something unusual was about to happen .
（四）、to是介词还是不定式符号，根据不同的含义而定。
1.agree to同意
I don’t agree to his proposal . (to是介词)
He agreed to help me two days later .(to是不定式符号)
2.come to来；谈论
He has a lot of money coming to him . (to是介词)
He came to realize that he was wrong .(to是不定式符号)
3.get to到达；逐步
When did you get to the station . (to是介词)
You’ll get to like the work . (to是不定式符号)
4.on the / one’s way to在……途中；即将……
I lost my pen on the way to school . (to是介词)
She is on the way to see a film . (to是不定式符号)
5.happen to发生；碰巧
What happened to you ? (to是介词)
He happened to pass by the station . (to是不定式符号)
（五）、to后与名词、动词构成成语或短语。
go to college上大学 go to school去上学 face to face面对面 put to use利用 get to know知道…… go to bed上床睡觉 go to cinema看电影 sentence sb. to death处死…… come to a stop停止
【动手动脑】
To-infinitive , Infinitive Without To or Just To
英语中不定式有时候要加to，有时候不加to，有时候只要一个to把动词省去不用。到底该怎样正确运用不定式，有些同学对此感到束手无策，那么不妨做下面这些练习，定会对你有所帮助。
1.Don’t ask him to do that if he doesn’t want . (to do , do , to)
2.They could do nothing but . (to wait , wait)
3.We wondered whether (to go , go) forward or turn ,to turn) back .
4.Do what the teacher has told us . (to , to do , do)
5.Hearing this Tom didn’t know whether to laugh or . (to cry , cry)
6.－Would you like to go to the concert with me ?
－Yes , I’d like . (to go , to , go)
7.She doesn’t have to get up so early as she used .(to , to get up)
8. I would rather (to walk , walk) home than (take , to take) a bus .
9.The little child had no choice but . (to cry , cry)
10.Hadn’t you better (to hurry , hurry) if you want to catch the first bus ?
11.－She has to make a special trip to the store to get some salt .
－Does she have ? (to make , to , ×)
12.The policeman let those boys (to go , go), hoping they would learn from their mistake and (to obey , obey) the rules in the future .
13.That’s too good a chance (to let , let) .(pass , to pass)
14.I don’t think he need (tell , to tell) me .
15.I’ll try to help you it . (to do , to )
16.He went to America pennilessly , (return , to return) home forty years as a millionaire .
17.My brother has made a radio (listen , to listen ) to music .
18.They did all they could (help , to help) her .
19.－Ought I to go ?
－Yes , I think you ought . (to , ×)
20.Since 《高二英语第三单元(第4页)》
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