7. 動詞不定式
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7.1 不定式作賓語

1) 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
舉例: 
 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. 我喜歡你年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?nèi)绾稳プ觥?br>   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。

注意:疑問詞帶不定式在句中作成分時,謂語動詞用單數(shù)。
   The question is how to put it into practice.
   問題是怎樣把它付諸實施。
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