主语从句课件

How she keeps healthy is a secret.
What
主语从句
主语从句
Hale Waihona Puke Baidu
clauses are they ?
Find out the subjects in the following sentences
1.A tree has fallen across the road.
2. You are a student.
人称代词
充当主语
3.To find your way can be a problem.
找出下列句子中的主语从句
6.Whoever breaks the law will be punished. 7.When we will leave hasn't been decided. 8.Where the meeting will be held is not known. 9. Why he cries is not clear. 6.10. How she keeps healthy is a secret.
温馨提示：先找谓语动词 1.That he will pass the exam is certain. 2.Whether he will pass the exam is uncertain. 3.Who will go makes no difference. 4.What we need is more time. 5.Which book I shall choose hasn’t been decided.
that _不___做___成分，_无___意义，_不__能___省略。 whether 不___做__成分，_有___意义，译为_是__否__。
合作探究
Who will go makes no difference.
What we need is more time.
Which book I shall choose hasn’t been decided.
Whoever breaks the law will be punished.
结论：who在主语从句中充当___主__语_____, 译为“__谁_____”。 what在主语从句中充当___宾__语_____, 译为“__东__西___”。 which在主语从句中充当__定__语______, 译为“_哪__一____”。 whoever在主语从句中充当__主__语_____, 译为“_无__论__谁__”。
Subject Clause
主语从句
Listen and fill blanks
A. 1._H_o_w____you got me blind is still a mystery.
B. Don't care 2.__w_h__a_t__is written in your history. C. I don't care 3.__w_h__o__ you are, 4.w__h_e_r_e_ you're from, 5.__w__h_a_t_ you did.
when在主语从句中充当___状__语_____, 译为“__何__时___”。 where在主语从句中充当___状__语_____, 译为“__何__地___”。 why在主语从句中充当___状__语_____, 译为“_为__什__么__”。 how在主语从句中充当___状__语____, 译为“_怎___样___”。
主语从句考点归纳
主语从句的语序 主语从句连接词的使用 主谓一致 形式主语结构
合作探究
主语从句的连接 词有哪些？有什 么功能？
That he will pass the exam is certain.
Whether he will pass the exam is uncertain.
结论：
Usage of the Conjunctions
缺什么补什么
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what或which。 如什么都不缺用that，Whether表“是否”。
合作探究
主谓一致
That he will pass the exam is certain.
Which book I shall choose hasn’t been decided.
思考： 主语从句的连接词有哪些？ 有什么功能？
Conjunctions of Noun Clauses (引导名词性从句的连接词):
that, whether, if
who, whom, what, which, whose, whoever, whatever whichever
when, where, how, why
4. Smoking is bad for you.
动名词充
当主语
5. That we shall be late is certain.
6. It is certain that we shall be late. it充当形
式主语
结论:
主语是一个句子说明的人或事物，一般放在句___首___.
在句子中充当__主__语____的从句就是主语从句。
一、 定义
在主从复合句中，充当主语的从句叫主语从句。
e.g. What he did in the earthquake moved everybody.
主语 从句
谓语 宾语
That China will become more powerful is certain.
主语从句
系动词 表语
找出下列句子中的主语从句
合作探究
When we will leave hasn’t been decided.
Where the meeting will be held is not known.
Why he cries is not clear.
结H论ow：she keeps healthy is a secret.