名词性从句学习

1、Noun Clauses1语序问题关联词的区分拓展种类名词性从句特殊句式2主语从句：That the earth goes around the sun is true. What we need is time. It is important that we take action now. 宾语从句：a. I think that garbage should be recycled. b. I know where we can find a cafe.c. I dont think it necessary that everyone spends much time learnin

2、g English. 3表语从句：My dream is that one day all people live in peace. It looks as if it is going to rain. Thats what I want to know. 同位语从句：Rumor spread that price will go up soon. No one can deny the fact that lives are lost. Have you got any idea (of) what is going on there? 4从句是主谓 (陈述句)的语序：I dont kn

3、ow what it is like. My opinion is that the work should be done now.It is like a hat. What is it like? 疑问句，倒装语序。It is like something (what). what是连接代词，在从句中作介词like的宾语。what用作连接词，在从句中作：主语、宾语、表语或定语。that用作连接词，在从句中引导从句，不担当成份。5如何区分关联词： that与what, how that与if, whether if与whetherd. when, where, why, how6that,

4、 what, howDo you know _ he is doing now? He is doing something now. 2. Do you know _ he is getting on now? He is getting on well now. 3. Do you know _ he has been admitted by the university? He has been admitted by the university. whathowthat7 医生就饮食与健康给我们提了一些建议。 The doctor gave us some advice on wha

5、t we should eat to improve our health. 2. 医生饮食方式给我们提了一些建议。 The doctor gave us some advice on how we should eat our food. 3. 医生建议我们注意饮食卫生。 The doctor advised that we should be careful about what we eat and how we eat properly. The doctor says that what we eat and how we eat is very important for a go

6、od health. 8Whether 与 if 的区别：在句词性从句中一般应用whether，不用if。尤其是用在句首、用在表语从句中时。 在宾语从句中常可用if，但在用作介词的宾语时，只能用whether, 不能用if。 whether or not连用时，不用if代替whether2）在状语从句中表示“如果”，用if，不用whether。9a. Im sure that he will come. Im not sure if / whether he will come. b. I doubt / wonder if the meeting can be held on time. I

7、 dont doubt that the meeting will be held on time. c. The problem is that we cant manage it in such a short time. The problem is whether we can manage it in such a short time. 10We dont know whether / if pollution can be controlled in a few years. 2) We are rather worried about whether pollution can

8、 be controlled in a few years. 3) Whether pollution can be controlled depends on everyones efforts. 4) Its too early to say whether or not pollution can be controlled. 5) We will cancel the barbecue tomorrow if it isnt a fine day. 11根据在从句中的语法成份和意义，决定关联词。Have you decided _ the meeting will be held? Have you decided _ will be talked