Unit1 A Land of Diversity--Grammar名词性从句 (共36张PPT)

课件36张PPT。Learning about language Revising useful structuresNoun Clauses 名词性从句subject clause 主语从句object clause 宾语从句predicative clause 表语从句appositive clause 同位语从句名词性从句相当于名词,可分别作主句的主语、 表语、宾语和同位语。因此,名词性从句可 分为主语从句、表语从句、宾语从句和 同位语从句。1. What it was to become was a mystery. 2. I don’t know who will help Henry to win the bet. 3. His trouble is that he doesn’t know anybody in London. 4. The fact that ships can go there surprises many people.主语从句宾语从句表语从句同位语从句1. 主语从句：从句在句中充当主语成分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）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。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, fact, truth, problem, news等)后面, 对名词作进一步解释说明。1. 主语从句 做主语用的名词性从句, 因其在复合句 中做主语, 又称主语从句, 引导主语从句 的有连词 that, whether, 连接代词 who, what, which, 连接副词 when, where, how, why 等。That she left him cut him to the heart. What seems easy to some people seems difficult to others. Whether it will please them is not easy to say. 1. 主语从句在复合句中充当主语，大多数主语从句都可以用 it作形式主语而把主语从句置于句尾。 2. that引导的主语从句时可用it作形式主语，that不可省；但 what引导的主语从句表示“……的东西”时，一般不用it作形式主语，whatever，whoever，whichever一般也不用it作形式主语。That she will succeed is certain. →It is certain that she will succeed. 她肯定会成功的。 What he needs is more experience. 他所需要的是更多的经验。(1)It＋系动词＋形容词(necessary，right，likely，unlikely，wrong，important，certain，clear，obvious，strange，normal等)＋that从句 It is certain that most of the farmers have brought in more money by all means. 很明显大多数农民通过各种方式赚了更多钱。(2)It＋be＋名词(短语)(a pity，a shame，good news，a fact，an honour，a wonder，no wonder等)＋that从句 It's no wonder that you've achieved so much success. 难怪你取得了这么多成绩。(3)It＋be＋过去分词(said，told，heard，reported，decided，suggested，advised，ordered，remembered，thought，considered，well-known，announced等)＋that从句 It is said that the professor has already succeeded in carrying out the experiment. 据说这位教授已成功地完成了这个实验。(4)It＋特殊动词(seem，appear，happen，matter)＋that从句 It happened to me that I had been away when he called. 他打电话时我恰巧不在。[注意] (1)在“It is necessary，important，strange，natural＋that从句”结构中，从句常用(should)＋动词原形形式。 It is necessary and important that one (should) master the skill of operating computers so as to meet the need of a job. 为了找工作，掌握电脑操作技巧是很有必要并且是很重要的。(2)在“It＋be＋suggested，advised，ordered，requested， insisted，required＋that从句”结构中，that从句应用“(should)＋动词原形”。 It was suggested that they(should)start at once. 有人建议他们应该立即开始。2. 宾语从句 宾语从句在复合句中起宾语作用,可以 作动词的宾语，也可以作介词的 ... ...