主语从句语法.pptVIP

Grammar 3. To find your way can be a problem. What part does the underlined part serve as in each sentence? 2. Smoking is bad for you. 1. You are a student. 4. “How do you do?” is a greeting. 5 .What she said is not yet known. 6. That we shall be late is certain. 7. It is certain that we shall be late. subject A sentence serving as subject is called Subject Clause. 主语从句 充当主语的句子叫主语从句 How the book will sell depends on its author. That he is the best student in the class is obvious. How you got me blind is still a mystery. That she won the game made her very happy. What he said is not true. What they need is a dictionary. 结论 主语从句多位于_____________ 句首主语的位置 Try to draw a conclusion. Who will go makes no difference. Which is the best is not certain. Why dinosaurs died out is still unknown. When we will get together has not been decided. How she can keep healthy is a secret. Whether he will come is not very important. Who will go Which is the best Why dinosaurs died out When we will get together How she can keep healthy Whether he will come 找出主语从句 引导主语从句的关联词有三类：1) 从属连词that 如: That they were true sisters was clear from the facial resemblance between them.很明显, 她们确是亲姐妹, 她们的脸型很相似。 NOTE: that 不可省，无意义，起连接作用；从句结构完整。 2)?从属连词whetherWhether he’ll come here isn’t clear.?? 他是否会来这里还不清楚。 3) 连接代词who, whom, whose, what, which, whoever, whatever, whichever, 连接副词 where, when, how, why。 What she did is not yet known.?? 她干了什么尚不清楚。How this happened is not clear to anyone. 这事怎样发生的, 谁也不清楚。Whoever comes is welcome.?? 不论谁来都欢迎。 4)有时用it作形式主语，将主语从句后置, 这样做是为了避免句子头重脚轻。 常用句型如下： It+ be +名词+ that 从句 It+ be + 形容词+ that从句 It+ be + 动词的过去分词+ that从句 It+ be + 不及物动词+ that从句 主语从句三要素 he became a great scientist is known to us all. what you told me is true. 谓语动词一般用单数 从句用陈述语序 不能省略关联词 How 主语从句的注意问题 1.一个句子作主语时，主句的谓语动词应为单数。 Whether he will come depends on the weather. 2. what 引导的句子作主语时，谓语动词的数由句子的内容决定（即由表语决定)。 What I want is money. What we need are good books What h