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课件网) Discovering useful structures Subject Clause 主语从句定义 主语从句连接词 主语从句注意事项 巩固练习 Contents 1 2 3 4 主语从句定义 Part 1 主语从句定义 1. 找出下列句子的主语。 1. Jim is good at playing the piano. 2. To see is to believe. 3. Smoking is bad for health. 4. What he has said is true. 在主从复合句中_____就是主语从句, 它是名词性从句的一种。 充当主语的从句 2. 课文原句回顾。 1. However, concerned him most was farmers often had poor harvests and sometimes even had a serious shortage of food to eat. 2. this could be done was a challenging question at the time. 3. However, it was possible to develop a hybrid of self- pollinating plants such as rice was a matter of great debate. 4. Today, is estimated about 60 percent of domestic rice... 5. impresses people most about Yuan Longping is his ongoing ability to fulfil his dreams. what that How whether it that What 主语从句连接词 Part 2 主语的连接词 1. 从属连词: that, whether/if That he will come is certain. Whether he will come is uncertain. that 在主语从句中 _____成分, 没有_____,但不可省略。 不做 意思 whether 在主语从句中 _____成分, 译为 _____。 不做 是否 2. 连接代词 What we need is more time. Who will go makes no difference. Whom we must study for is a question of great importance. What he used to be is unclear. Whoever=Anyone (who breaks the law) will be punished. Whatever=Anything (that I have) is yours. Whichever prize you choose in the store will belong to you. what, who, whom, whatever,whoever, whichever 在主语从句中起_____, 充当 _____。 主语、宾语 或表语 连接作用 注意：此处whatever/whoever不能转化为 no matter what/who格式 2. 连接代词 Which team will win the match is still unknown. Whose house that is doesn’t concern me. Whichever team gains the most points wins. Whichever of them gains the most points wins. which, whose, whichever 在主语从句中起_____, 充当 _____。whichever有时还可以修饰名词或后接表示范围的of短语。 定语 连接作用 3. 连接副词 When we will leave hasn't been decided. How she keeps healthy is a secret. Why he cries is not clear. Where the meeting will be held is not known. Wherever you go does not concern us at all. Whenever you want to come is ok with me. when, where, why, how, whenever, wherever 在主语从句中充当 _____, 分别表示时间，地点，方式，原因。 状语 主语从句学法指导 依据“缺什么补什么”原则确定正确的连词。 所谓“缺什么补什么”是指从句与连词之间的关系。 如果句子中缺主语，指人用who，指物用what。 如缺宾语，指人用whom，指物用what。 如缺时间状语用when；地点状语用where。 原因状语用why；方式状语用how。 如缺定语用whose或which。 如什么都不缺用that，whether表“是否”。 主语从句注意事项 Part 3 1. 主语从句一般放在句首, 但有时为了使句子结构平衡, 避免 “头重脚轻”, 常用 it 作形式主语, 而把从句放在后面。 1. That the earth moves around the sun is well known. It is well known that the earth moves around the sun. 2. That she has made such a mistake is a pity . It ... ...
