Unit 2 Witnessing timeSection Ⅱ Grammar and usage名词性从句概述名词性从句就是在句子中起名词作用的从句,可分为:主语从句、宾语从句、表语从句和同位语从句。主语从句定义:在复合句中作主语,相当于名词的名词性从句,一般置于谓语之前,也可用 it作形式主语,将主语从句放在主句之后。常用引导词:that,whether,who(ever),whose,which(ever),how,when,where,why,what(ever)等。That he wants to do the job is obvious.=It is obvious that he wants to do the job.很显然他想做这份工作。Why he gave up the plan halfway is not clear.=It's not clear why he gave up the plan halfway.他为什么中途放弃这个计划还不清楚。宾语从句定义:在复合句中作宾语的名词性从句。常用引导词:that,whether/if,who(ever),whose,which(ever),how,when,where,why,what(ever)等。We want to know how he managed to escape from prison.我们想知道他怎样设法从监狱里逃出来的。She is interested in what I am interested in,why?她对我感兴趣的事感兴趣,为什么?表语从句定义:在复合句中作表语的名词性从句,位于系动词之后。常用引导词:that,whether,who(ever),whose,which(ever),how,when,where,why,what(ever),as if,as though 等。The question is who can take the place of the manager.问题是谁能取代经理的位置。This is where I left my glasses.这就是我丢眼镜的地方。同位语从句定义:放在某些名词之后,解释其具体内容的名词性从句。常用引导词:that,whether,who(ever),whose,which(ever),how,when,where,why,what(ever)等。常被同位语从句修饰的名词有:advice,suggestion,request,fact,truth,fear,hope,wish,thought,idea,news,word,information,promise,theory,stand(立场),view,opinion,question,problem,order,belief,proof 等。The suggestion that the work should be done now is good.建议说工作应该现在做,这个建议很好。He had to admit the fact that he had stolen the money.他得承认那个事实:他偷了钱。注意:1.名词性从句用陈述语序。2.在主语从句、表语从句、同位语从句中 that 一般不能省略。如果句中只有一个宾语从句,则其引...