2023届上海市高考英语语法专题考点一：主语从句讲解与练习

考点一：主语从句 一、定义 主语从句是作句子主语的从句,放在句首位置。 二、引导词 主语从句常由以下引导词引出: 1. 从属连词:that, whether 例句: That light travels in straight lines is known to all. Whether we need to do it right now is questionable. 2. 连接代词:who, what, which, whichever 例句: Who will win the match is still unknown. What he said at the meeting surprised everyone. Which is the best way remains to be decided. Whichever he chooses will be the right one. 3. 连接副词:when, where, how, why 例句: When he will come back home is not clear. Where the English evening will be held has not been announced. How we can solve this problem needs thinking about. Why she was late for class is hard to explain. 三、结构 1. 主语从句多数情况下放在句首。 2. 为避免头重脚轻,常将主语从句置于句末,用“it”作形式主语。 四、练习 1. _____ matters most right now is how we can raise money for the school. A. What B. That C. Which D. This 2. _____ he wants to tell us is not clear. A. When B. How C. What D. That 3. _____ we'll attend the party remains unknown. A. Whom B. Whether C. How D. What 4. _____ got the first prize made us very proud. A. Who B. That C. Which D. What 5. _____ you come or not matters little. A. If B. Whether C. When D. That 6. _____ surprised me most was that such things happened in broad daylight. A. What B. That C. It D. As 7. _____ he really means is not clear to me. A. What B. Why C. Which D. How 8. _____ wins the match is very important to us. A. Who B. Whom C. Which D. Whether 9. _____ impressed me most was what he said at the meeting. A. What B. Why C. How D. That 10. _____ will win the election remains unpredictable. A. Who B. Whom C. Which D. Where 11. _____ we'll go camping tomorrow depends on the weather. A. Whether B. That C. If D. When 12. _____ should be sent to the disaster area is a matter of discussion. A. Who B. Where C. How D. What 13. _____ he really thinks is unknown to us. A. How B. What C. Why D. Which 14. _____ got injured in the accident has not been confirmed. A. That B. How C. Who D. When 15. _____ you come or not makes no differen