what引导主语从句的用法

1、What引导名词性从句的用法一.引导主语从句l）What we need is more time.（what ft need的宾语）我们所需要的是更多的时间.2）What really matters is that she wore a pair of whilcshocs.（what ® matters 的主语） 真正麻烦的是她穿了一双白鞋.二.引导宾语从句l）Pcc）plc were perhaps more honest a long time ago when life was very different from what it is today.（what做从句中i

2、s的表语）很久以前当生活与现在的生活完全 不同时，人们或许更诚实.2）Pcoplc have heard what the President has said;thcy arc waiting to sec what he will d（）.（what分别做动词heard和see的宾语）人们已经听到了总统所说的；他们正等 着看总统会做什么.三.引导表语从句1）Whether ways will be found to stop pollution or not is just what worries the pub】ic.（what做从句中的主语）是否能找到阻止污染的方法就是所令民众担心的

3、事2）That is what I want to tell you.（what做从句中的宾语）那就是我想告诉你的事儿.3）The little girl is no longer whal she used to be.（what 做从句中的表语）这个小女 孩不再是过去的样子了.四.引导同位语从句l）Thcy have no idea al all what he is working on.（what 做从句的宾语）他们一点儿 都不知道他正在做什么.2）You have no idea what I suffered.（what做从句的宾语）你不知道我所遭受的痛 苦.通过以上例句及解释我们

4、可以得出：whal常用来引导名词性从句，即主语 从句，宾语从句，表语从句和同位语从句.whal在引导名词性从句时有两个重要 的特点：一是它在相应的名词性从句中一定有含义，常表示“什么”,“所 的”,“的样子”等.二是它在相应的名词性从句中一定做成分，而且常做主 语，宾语或表语.练习：l.It is not yet pretty well understood made the rainforest disappear year byyear. JA.that B.whcn C.what D.hcw2.Thc word media basically refers to we commonly

5、call newspapers, magazines, radios and televisions.A.which B.what C.why D.how1.1 t， s well understood controls the flow of carbon dioxide in and out of theatmosphere today.A.that B.what C.how D.whcthcr4 .Thc small mountain village nc spent our holiday last month lies in isnow part of Hubei.A.which;whcrc B.whcrc;what C.that;which r).whcn;which5 .Thc reason why