引导从句的词和只能接动名词作宾语的词
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。
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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[应用]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.[应用]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题1： Ted came for the weekend wearing only some shorts and a T-shirt, ____ is a stupid thing to do in such weather. A. this B. that C. what D. which题2： He is reading the book ____he borrowed from the library yesterday. A. whose B. where C. which D. as题3： You’ll find taxis waiting at the bus station ____ you can hire to reach your host family.A. which B. where C. when D. as题3： Between the two parts of the concert is an interval, _______ the audience can buy ice-cream.A. when B. where C. that D. which题5： Occasions are quite rare I have the time to spend a day with my kids.A. who B. which C. why D. when答案题1： D详解：____ is a stupid thing to do in such weather为定 语从句。所填词在从句中作主语，指代整个主句，所以选which。题2： C详解：____he borrow ed from the library yesterday为定语从句，其先行词the book在从句中作borrowed的宾语，所以选关系代词which 。题3： A详解：先行词为the bus station，从句中谓语动词hire后差宾语，故用关系代词which。____ you can hire to reach your host family为定语从句，其先行词taxis在从句中作can hire的宾语，所以选关系代词which 。题4： A详解：_______ the audience can buy ice-cream是定语从句，其先行词为interval。因为从句缺少时间状语in the interval，所以选when。题5： D详解： I have the time to spend a day with my kids是定语从句，其先行词为occasions因为从句缺少时间状语on the occasions，所以选when。
