一、不定式作主语
【高频考点黑龙江齐齐哈尔】It takes me half an hour ______the piano every day.
A. playB. playingC. to play
【高频考点四川宜宾】It is very important for us ________ English well.
A. learn B. learning C. to learn D. learned
【解析】句型It +be+adj+for sb+to do sth.“做某事对某人怎么样”。
【高频考点贵州贵阳】 It is our duty _________our hometown clean and beautiful. We must do something for it.
A. to keep B. keepsC. keeping
【解析】句型it is + 名词 + to do sth.结构。
【高频考点安徽芜湖】 —I often have hamburgers for lunch.
— You’d better. It’s bad for you ______ too much junk food.
A. eatB. to eatC. eatingD. ate
【解析】It为形式主语，动词不定式to eat too much junk food 作真正的主语。
二、不定式作宾语
【高频考点天津】He promised ______his old friend during his stay in Tianjin.
A. see B. seeing C. saw D. to see
【解析】promise to do sth.意为“许诺做某事”。
【高频考点河北】The children decide______their school yard this Friday afternoon.
A. clean B. to clean C. cleaningD. cleaned
【解析】decide后接动词不定式，表示决定去做某事
【高频考点 甘肃白银】The little boy pretended _______ when his mother came in.
A. sleepingB. asleepC. to asleepD. to be asleep
【解析】pretend to do sth，假装做某事
【高频考点 甘肃白银】haven’t decided when ________ a holiday yet.
A. tookB. takingC. to takeD take
【解析】疑问词+ to do是固定搭配。
三、不定式作宾语补足语，主语补足语
【高频考点 上海】Even Tony’s granddaughter, a five-year-old girl, asked him ________smoking.
A. give upB. gave upC. to give up D. giving up
【解析】ask sb to do sth,让某人做某事。
【高频考点广东广州】I always tell my students ______ on the road because it’s really dangerous.
A. not to play B. to play not C. not playing D. not play
【解析】tell sb. not to do sth.意为“告诉某人不要做某事”。
【高频考点江西】Lucy is shy. She would not invite her classmates _____dancing with her.
A. practiceB. practices C. practicing D. to practice
【解析】 考查非谓语动词的用法，invite的用法是 invite sb. to do sth. 故选 to practice。
【高频考点江苏扬州】— What are you going to do when you grow up?
— A singer, but my parents wish me ________ a teacher.
A. amB. to be C. will be D. be
【解析】wish sb to do sth“希望某人做某事”。
【高频考点山东临沂】My parents often tell me ______ too much junk food because it’s bad for my health.
A. not eating B. not to eat C. eating D. to eat
【高频考点辽宁鞍山】Jessicas parents always encourage her ____________out her opinions.
A. speakB. speakingC. to speak D. will speak
【解析】encourage sb. to do sth.“鼓励某人做某事”。
【高频考点 甘肃白银】——George was heard _______ just now. What happened?
——People was telling a joke.
A. to cryB. cryC. to laughD. laugh
【解析】；be heard to do sth意为：被听到做某事。
四、感觉动词，使役动词等后的宾补
【高频考点湖北黄石】Seeing their teacher _______ into the classroom, they stopped _______ at once.
A. walk; tellingB. entering; to speakC. enter; to tell D. walking; talking
【解析】see sb doing sth 看见某人正在做某事；stop doing sth 停止做某事。
五、不定式作目的状语
【高频考点湖北十堰】 How kind you are! You always do what you can __________ others.
A. help B. helping C. helps D. to help
【解析】不定式作目的状语，故选D。此题的最大迷惑项是在空格前有情态动词can ，学生很容易误选A。
六、不定式作结果状语
【高频考点浙江杭州】 She’s not strong enough _______ walking up mountains.
A. to go B. going C. go D. went
【解析】不定式to go做结果状语，由句意“她的年龄还没足够达到去爬山的地步”。be enough to do sth 是固定句型，足够达到什么程度做某事。
七、动词不定式、现在分词、过去分词作定语
【高频考点四川凉山】When you move somewhere new, the first thing for you is to find a place.
A. to live B. living in C. to live in
【解析】当动词不定式作定语和前文名词存在动宾关系，动词若是不及物动词，需要在动词后加介词构成动宾关系。
