what引導(dǎo)主語從句的用法

1、What引導(dǎo)名詞性從句的用法一.引導(dǎo)主語從句l）What we need is more time.（what ft need的賓語）我們所需要的是更多的時間.2）What really matters is that she wore a pair of whilcshocs.（what ® matters 的主語） 真正麻煩的是她穿了一雙白鞋.二.引導(dǎo)賓語從句l）Pcc）plc were perhaps more honest a long time ago when life was very different from what it is today.（what做從句中i

2、s的表語）很久以前當(dāng)生活與現(xiàn)在的生活完全 不同時，人們或許更誠實.2）Pcoplc have heard what the President has said;thcy arc waiting to sec what he will d（）.（what分別做動詞heard和see的賓語）人們已經(jīng)聽到了總統(tǒng)所說的；他們正等 著看總統(tǒng)會做什么.三.引導(dǎo)表語從句1）Whether ways will be found to stop pollution or not is just what worries the pub】ic.（what做從句中的主語）是否能找到阻止污染的方法就是所令民眾擔(dān)心的

3、事2）That is what I want to tell you.（what做從句中的賓語）那就是我想告訴你的事兒.3）The little girl is no longer whal she used to be.（what 做從句中的表語）這個小女 孩不再是過去的樣子了.四.引導(dǎo)同位語從句l）Thcy have no idea al all what he is working on.（what 做從句的賓語）他們一點兒 都不知道他正在做什么.2）You have no idea what I suffered.（what做從句的賓語）你不知道我所遭受的痛 苦.通過以上例句及解釋我們

4、可以得出：whal常用來引導(dǎo)名詞性從句，即主語 從句，賓語從句，表語從句和同位語從句.whal在引導(dǎo)名詞性從句時有兩個重要 的特點：一是它在相應(yīng)的名詞性從句中一定有含義，常表示“什么”,“所 的”,“的樣子”等.二是它在相應(yīng)的名詞性從句中一定做成分，而且常做主 語，賓語或表語.練習(xí)：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