高二英语主语从句复习.ppt

Grammar 主语从句 Grammar 3. To find your way can be a problem. 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（主语） A sentence serving as subject is called Subject Clause. 主语从句（Noun Clauses as the Subject） 定义： 用作主语的从句叫主语从句，它是名词性从句之一。引导主语从句的连接词有：连词that, whether；连接代词who, what和which；连接副词when, where, how和why。 Who will go is important for me. Which is the best is not clear. Why dinosaurs died out is unknown. Where we will get together has not been decided. How she can keep healthy is a secret. Whether he will come is not very important. 一主语从句的连接词 1. that 只起引导作用，本身无实际意义，不充当任何成分，但不能省略。 That she left him made him heart-broken. That he is still alive is a good news to us. 2.置于句首只能用whether “是否”，不充当从句的任何成分。 他是否会参加这个话剧表演是显而易见的 ______________________________ is clear. ______________________________(他能否买到飞机票) doesn’t matter much. Whether he can buy the plane tickets Whether he’ll take part in the play 1. If she will come is not important. Whether she will come is not important. √ × 结论1： 在主语从句中只能用whether,不能用if 3 wh-疑问词包含意思，并在从句中充当成分。 _____ she will be back is still a question. _____ you told me just now was really a surprise. _____ we will hold the basketball game tomorrow is not important. _____ class will win the football game is not clear. _____ will meet him is not decided. When What Where Which Who ________ breaks the law should be punished. ________ has helped to save the drowning girl is worth praising. ________ tells lies is wrong． Whoever Whoever Whoever 填空练习： 1) _________ the meeting will be held next week hasn’t been decided yet. 2) _________ the plan will be carried out is still unknown. 3) _________ the building of the car factory will be started hasn’t been decided yet. 4) _________ team will win the match is still unknown. 5) _________ we need is more time. 6) _________ we can arrive a