语法精讲二 主语从句-【玩转假期必刷题】2024年高一英语暑假作业

■●。。必刷题·英语 语法精讲二 主语从句 体验感悟 How she keeps healthy is a secret. Why he cries is not clear. Whether the meeting will be put off has Where the meeting will be held is not not been decided yet. known. Why he was late is not important. 四、常考句型 It is used to be thought that a new star 主语从句十谓语，此时的从句过长，需要后 must be due to a collision between two stars. 置，用形式主语t代词主语从句的位置。 It seems obvious that we cannot go on like 例 How long he was late is important. this. is important how long he was late. 一、定义：充当主语的从句 主语，使用形式主语it。 eg.(What you like)is different. 1.主语从句十be十形容词~It十be十形容 二、引导词 词十主语从句 从属连词that,whether; 类似的形容词：true,good,important,.funny, 连接代词who,what,which,whose; strange,natural,interesting,necessary,possible, whoever,whatever,whichever; clear obvious, likely,wonderful,astonishing, 连接副词when,where,why,how。 surprising,worth-while,certain,unusual 三、具体用法 It is doubtful whether she will be able l.从属连词that和whether: to come. that不作成分，无意义，不能省略；whether It is essential that he should be here by the 不作成分，表“是否”（不能用D。 weekend. It is necessary that you(should)master the That he will come is certain. computer. Whether he will come is uncertain. 2.主语从句+be十名词It+be+名词十 2.连接代词who,what,which,whose; 主语从句 whoever,whatever,whichever不但起连接作 That he won the game is a fact.-It is a 用，也在从句中作名词或代词所作的成分，如主 fact that he won the game. 语、宾语、表语、定语。缺少连接代词，从句不 类似的名词：a fact/truth,good news,a 完整。 pity,no wonder等 Who will go makes no difference. It is a mystery to me how it all What we need is more time. happened. Whoever comes is welcome. It is common knowledge that the whale is Whatever I have is yours. not a fish. 3.连接副词when,where,why,how,连接 It is no surprise that Bob should have won 副词不但起连接作用，而且在主语从句里作 the game. 状语。 3.主语从句十be+过去分词→It+be十 When we will leave hasn't been decided. done十主语从句 ·54 第2部分旗开得胜：预习高二新课◆●●— That he was a great writer is well-known. 5. is mentioned above that the number of -It is well-known that he was a great writer. the students in senior high school is increasing. 类似的过去分词：known:estimated; 6.I