引导从句的词1、引导从句的词引导从句的词常有：when/ while/ whenever/ before/ after/ until/ till 和 if/ unless/ though,但简化必须符合下面两个条件。（1）当从句与主句主语一致，且从句谓语有 be 的某种形式时，常可以把从句的主语及 be 省略掉。①Be careful when(you are) crossing the street. 过马路的时候要小心。②He knows many things though(he is)very young. 他年龄不大，但知道的事不少。③I won’t go to her party unless(I am) invited. 要是不受到邀请，我就不去参加她的宴会。④While (he was)walking along the sands.Crusoe saw some footprints in the sand.克鲁索沿沙滩走着的时候，看到沙子上有些脚印。（2）当从句为 it is + adj.时，也常将 it is 省略掉。①When (it is)possible,I’ll go to Beijing to see you. 可能的时候，我将去北京看你。②If (it is)necessary, I’ll come tomorrow. 必要的话，明天我就来。2、只能接动名词作宾语的词1）动词：admit, advise, consider, delay, enjoy, excuse, escape, finish, forbid, imagine, keep, mind, miss, practise, suggest, understand2）词组:insist on, think of, give up, dream of, hear of, depend on, feel like, devote to, be used to, can’t help, prevent…from, look forward to, put off, be worth选择正确答案①The squirrel was lucky that it just missed ________.A.catching B.to be caught C.being caught D.to catch②Only one of these books is _________.A.worth to read B.worth being read C.worth of reading D.worth reading③I really enjoy ________ that kind of job.A.do B.doing C.to do D.to be doing④—“What are you going to do this morning?”—“I’m thinking of _______ to visit my aunt.”A.go B.going C.having gone D.my goingKey:①C ②D ③B ④B3、只能接不定式作宾语的动词下列动词只能接不定式作宾语，不能接动名词：agree, ask, choose, decide, demand, expect, hope, learn, long, manage, offer, plan, promise, pretend, refuse, wish, set out, determine, would love.选择正确答案①We agree _______ here but so far she hasn’t turned up yet.A.having met B.meeting C.to meet D.to have met②She pretended __________ me when I passed by.(MET’89)A.not to see B.not seeing C.to not see D.having not seen③Little Jim should love ______ to the theatre this evening.A.to be taken B.to take C.being taken D.takingKey:①C ②A ③A
