【正文】
ter, hunt for food, and make fire.You should not go rafting unless you know how to swim. 作介詞的賓語About, as, from, in, of, on, with, He has no idea of how to answer this question.We had better learn to make the right choices about what and how we eat.作雙賓語中的直接賓語:advise, ask, show, teach, tellHe will advise you what to doWill you show me how to use this machine?作表語Perhaps the most difficult challenge is how to survive without friends.The question is which to choose. IV. 用法用法動詞不定式 (to do)動名詞 (doing)主語主語形式主語 (it)It is + adj. of / for sb. to do sth.It is useless (no use) doing sth. It is no good doing sth. It is a waste of time doing sth..賓語后跟不定式的動詞To do: afford;agree。 ask。 attempt。 choose。 claim。 decide。 demand。 determine。 expect。 fail。 help。 hesitate。 hope。 intend。 long。