高中英语 知识点大全139 引导从句的词.doc

高中英语知识点大全（139）：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。be careful when(you are) crossing the street. 过马路的时候要小心。he knows many things though(he is)very young. 他年龄不大，但知道的事不少。i wont 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。while (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。when (it is)possible,ill go to beijing to see you. 可能的时候，我将去北京看你。if (it is)necessary, ill 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, cant help, preventfrom, look forward to, put off, be worth应用选择正确答案the squirrel was lucky that it just missed _.a.catching b.to be caught c.being caught d.to catchonly one of these books is _.a.worth to read b.worth being read c.worth of reading d.worth readingi really enjoy _ that kind of job.a.do b.doing c.to do d.to be doing“what are you going to do this morning?”“im thinking of _ to visit my aunt.”a.go b.going c.having gone d.my goingkey:c d b b3、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we agree _ here but so far she hasnt turned up yet.a.having met b.meeting c.to meet d.to have metshe pretended _ me when i passed by.(met89)a.not to see b.not seeing c.to not see d.having not seenlittle jim should lov