当作主语的不定式 短语较长时,常用形 式主语it来代替不定 式置于句首。
It is no use/no good/ a waste of time doing sth.句型中应 用动词-ing形式作主 语。 It������ s no use talkin g like this. It������ s a waste of ti me arguing with him.
He agreed to lend me his bike. He refused to say sorry to me. She wanted to go home earlier that day.
He admitted taking my money. I imagined becoming a writer in my childhood. He is used to walking to his office every day.
部分动词(短语) 后面只能接动 词-ing形式作宾 语。 常见的有:avoid/appreciate/ delay/enjoy/escape/excuse/ finish/imagine/mind/miss/ practise/suggest/keep (on)/ feel like/devote oneself to/ give up/be (get)used to/be worth/insist on/look forward to/prefer...to...等。
不定式 表示具体、特指 To see is to believe. 的动作时,用不 It only took us a year to 定式更多见。 complete the project. It was not right for the south to break away from the Union. 动词 -ing形 式 表示抽象、泛指 的动作时,用动 词-ing形式更多 见。 Teaching English at middle school is my full-time job. In some Arabian countries,shaking one ������ s head from side to side means agreement. Knowing some other languages is a great help to us.
部分动 词(短 语)后 接不定 式和动 词-ing 形式 时,含 义不 同,应 注意 区分。
remember to do sth.记住要做某事 (未做) remember doing sth.记得做过某事 (已做) forget to do sth.忘记去做某事 (未做) forget doi
部分动词(短语) 常见的有:agree/ask/choose/ 后面只能接不 dare/decide/demand/desire/ 定式作宾语。 expect/fail/hope/learn/manage/ offer/plan/promise/pretend/ refuse/want/wish
语法专题八 非谓语动词
知识梳理整合
◎构建能力大厦的奠基石◎
1.非谓语动词的作用
不定式、动词-ing形式和过去分词统称为动词的非谓语形式,它们在句 中的作用如下表:
主语
不定式 动词-ing形式 过去分词 √ √ ×
宾语
√ √ ×
表语
√ √ √
定语
√ √ √
状语
√ √ √
宾语补足语
√ √ √
2.作主语
部分动词后接不 常见的有:begin/start/continue/ 定式和动词-ing hate/like/love/prefer等。 形式均可,意义 区别不大。
They began throwing/to throw furniture out of the window. Do you like playing/to play chess?
I������ ll remember to post yo ur letter. I don������ t remember saying this to him before. I forgot to tell him to come. I������ ll never forget seeing h im for the first time.
regret to do sth.对将要做的事感到 遗憾、抱歉(未做) regret doing sth.后悔做过某事 (已做) try to do sth.试图努力地做某事 (但不一定成功) try doing sth.试着做某事 (只是试试,不付出很大努力)
I regret to say that the job as been filled. He bitterly regretted ever having mentioned it. You must try to improve your teaching method. If no one answers,try knocking at the back door.
部分 动词 (短 语) 后接 不定 式和 动词 -ing 形式 时,含 义不 同, 应注 意区 分。
mean to do sth.打算、想要做某事 I meant to send you a postcard,but I didn mean doing sth.意思是、意味着 ������ t have your address. These symbols mean nothing to me. stop to do sth.停下(别的事情)来去 Let������ e. 做某事(不定式为目的状语) stop doing sth.停止做某事 Let������ s stop to buy something to eat her s stop working and have a rest.