動詞不定式

動詞+ 不定式

afford, aim, appear, agree, arrange, ask, be, decide, bother, care, choose, come, dare, demand, desire, determine, expect, elect, endeavor, hope, fail, happen, help, hesitate, learn, long, mean, manage, offer, ought, plan, prepare, pretend, promise, refuse, seem, tend, wait, wish, undertake

The driver failed to see the other car in time.　司機沒能及時看見另一輛車。

I happen to know the answer to your question.　我碰巧知道你那道問題的答案。

2) 動詞+不定式;動詞+賓語+不定式

ask, beg, choose, expect, hate, help intend like, love, need prefer, prepare, promise, want, wish

I like to keep everything tidy.　我喜歡每件東西都保持整潔。

I like you to keep everything tidy.　我喜歡你使每件東西都保持整潔。

I want to speak to Tom.　 我想和湯姆談話。

I want you to speak to Tom.　 我想讓你和湯姆談話。

3) 動詞+疑問詞+ to

decide, know, consider forget, learn, remember, show, understand, see, wonder, hear, find out, explain, tell

Please show us how to do that. 請演示給我們如何去做。

There are so many kinds of tape-recorders on sale that I can't make up my mind which to buy.有這么多的錄音機，我都拿不定主意買哪一種。