【正文】
高一必修 3 Unit 4 Grammar 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. 主語從句: 做主語用的名詞性從句,因其在復(fù)合句中做主語,又稱主語從句,引導(dǎo)主語從句的有連詞that , whether, 連接代詞 who , what ,which, 連接副詞 when, where, how, why等。 : 1)從屬連詞: that, whether等 . that 引導(dǎo)主語從句只起引導(dǎo)作用,本身無實(shí)際意義,在主語從句中不充當(dāng)任何成分,但不能省略。 Whether it will please them is not easy to say. 3)連接副詞 when, where, how, why等。用 it做形式主語,而把主語從句,在句末,常用下面幾種句型。 誤: They should like each other is natural. 正: That they should like each other is natural. 正: It is natural that they should like each other. 2)如果主語從句放在句首,不能用 if引導(dǎo),但是如果用 it 做形式主語,