Unit 1 The world of our senses Grammar and usage 名词性从句课件（77张）

课件77张PPT。 Unit 1 The world of our senses Grammar and usage 名词：表示人或事物的名称的词叫名词。 名词的句法作用：名词在句中主要作主语、宾语、表语和同位语。另外还可以作定语、状语。 在句子中起名词作用的句子叫名词从句 (Noun Clauses） 名词从句的功能相当于名词词组, 它在复合句中能担任主语、宾语、表语、同位语等 因此根据它在句中不同的语法功能，名词从句又可分别称为主语从句、宾语从句、表语从句和同位语从句。相关概念 名词性从句 noun clause 主语从句 subject clause 宾语从句 object clause表语从句 predicative clause 同位语从句 appositive clause名词性从句在功能上相当于名词His job is important.What he does is important.主语 This is his job.This is what he does every day.表 语｛｛I don’t like his job.I don’t like what he does every day.宾 语I don’t know about the man, Mr. White.I don’t know about the fact that he is a teacher.同 位 语｛｛1. 主语从句：从句在句中充当主语1) That he will succeed is certain. 2) Whether he will go there is not known. 3) What he said is not true. 4) Where he hid the money is to be found out. 5) Whoever comes is welcome. 6) It’s certain that he will succeed.What she did is not yet known.? Whoever comes is welcome.? Whether he’ll come here isn’t clear.? Wherever you are is my home — my only home. 1) whether可以引导主语从句放句首, 但 if不能。2) 为避免主语冗长, 句子头重脚轻, 经 常用it作形式主语, 主语从句放在后 面作真正的主语。注意It is well known / reported / thought / said… that… It is clear / necessary / certain / true / doubtful…that… It is a pity / a shame / an honour that… It doesn’t matter whether… It seems that… It happens that…2.宾语从句：从句在句中充当宾语成分（可以作谓语动词、介词、不定式等非谓语动词的宾语）1) They know that the habit will kill them. 2) It all depends on whether they will support us.3) He asked how much I paid for the violin. 4) He made it clear to the public that he did an important and necessary job. 5) I find it necessary that we should do the homework.I doubt whether he will succeed. You may do what you will. He told us that he felt ill.?3. 表语从句：从句在句中充当表语成分，一般放在连系动词之后。 作用：对主语进行解释说明。连接词： that / whether /as if / as though （ if 不引导表语从句) 连接代词： who / whom / whose / which / what 连接副词： when / where / why / how / because The question is whether we can rely on him. That’s because we were in need of money at that time. He looked as if he was going to cry. That’s why I was late.The trouble is that I have lost his address. All this was over twenty years ago, but it’s as if it was only yesterday. The question is how he did it.?表语从句4. 同位语从句：从句在句中充当同位语成分, 其一般跟在一些抽象名词(idea; belief ;effect; truth; problem; news 等) 后面, 对名词作进一步解释说明。同位语从句常用 that引导或用连接副词when / where / why / how / whether。 Sydney kept his promise that he would always do anything he could for Lucie to make sure of her happiness.1) The idea that computers can recognize human voices surprises many people. 2) Word came that ... ...