It will _________ the workers over a year _________ _________ the flyover.(北京市海淀区)
4. It's very nice _________ you to get me two tickets _________ the World Cup.
A. for,of B. of, for C. to, for D. of, to(安徽省)
Keys:1. A 2. C 3. take, to,build 4. B
[简析]动词不定式作主语时,可以直接放在谓语动词前面的主语位置,也可以用先行词it作形式主语,而将真正的主语(不定式)置于后面。常见的句式有:(1)It is +形容词(of sb)to do sth.(2)It is +名词 (for sb)to do sth.(3)It takes sb some time to do sth.(4)It is +形容词 (for sb)to do sth.句式 (1)中常用nice,kind, clever,good, right,wrong, foolish, careless等形容词,与介词of搭配,这些形容词常表述不定式逻辑主语的属性或性质;句式(4)中常用hard,difficult, easy, important等形容词,与介词for搭配,表述不定式表示的动作、行为的性质。
2
动词不定式作宾语
1. He wants ______ some vegetables.
A. buy B. buying C. to buy D. buys (山西省)
2. Don't forget ______ your homework with you when you come to school.
A. to bring B. bringing C. to take D. taking (福建省)
3. He found it very difficult ______.
A. sleeping B. sleepsC. slept D. to fall asleep (湖南省)
3. I'm sorry ______ that. A. hears B. hearing C. hear D. to hear (河北省)
4. I'm sorry ______ you.A. trouble B. to trouble C. troubling D. troubled (吉林省)
Keys:3. D 4. B
[简析]“be +形容词+ to do sth”结构中的不定式作状语,常表示原因或方式。
5. The panda is so fat that it can't go through the hole.(改为意思相同的句子)The hole ______ ______ ______ ______ such a fat panda to go through. (广东省)
6. The ice on the lake was so thin that people couldn't skate on it. (改为意思相同的句子)The ice on the lake wasn't ______ enough ______ people ______ ______ ______. (广东省)
Keys: 5. is, too,small, for 6. thick, for,to, skate,on
[简析]在上述“too +形容词/副词 (for sb)to do…”(太……而不能……)和“enough (for sb) to do…”(足以、足够……做……)结构中,不定式作结果状语。B13a.