名词性从句(配套课件)

• A. how B. that C. when D. what
• It is known to us ______ where there is pollution, D there is harm.
• A. which B. where C. what D. that
• 思考： 形式主语 • 1. 为避免主语冗长,句子头重脚轻, 经常用it作__________, 主语从句放在后面作真正的__________ 主语 。 • 常见的相关句型主要有it作形式主语的句型： 很可能 … • It’s likely / possible / that…____________________ 很清楚… • It’s clear that…__________________
• 思考：
名词 作 • 1. 一个句子在连接词的引导下，在句子中起________ 用的句子叫名词性从句。 • 2．名词性从句相当于名词词组, 它在复合句中能担任哪些 句子成分？ 主语，表语，宾语，同位语 _____________________________________________ ________________________ • 3. 根据从句在句中不同的语法功能，名词性从句可分为哪 四类呢？ 主语从句，表语从句，宾语从句，同位语从句 • _____________________________________________ __________________________
同位语 的作用。 一般放 • 4. 同位语从句：在复合句中起_______ 在名词 idea ；belief ； fact ； truth ；problem ； news, information; hope; thought; promise等之后, 用 以说明或解释前面的名词。常用 that, whether, who, whom, when, where, why, how等引导(whose和which 不 引导同位语从句) A
•
• •
6. Have you heard the news that Mary will be back soon? （ that ）（
7. I really feel that he needs more experience. （ that ）（ ）
）
8. It is unwise to give your child whatever he wants. （ whatever ）（ 宾语 ）
● It depends on ________ whether we’ll do it. that you can come and help me. ● I am glad_______ • 思考： 宾语从句不仅可以放在及物动词后面，作及物动词的宾语， 形容语 的后面，作它们的宾语。 还可以放在______ 介词 和_______
• 思考：
• 连接代词：who, whoever, whose, whom, whomever, 有 what, which________ 词义，在从句中_____担任成分， 担任哪些成分？ 主语，宾语，表语，定语 _______________________________________
what • I don’t believe __________ he has achieved so far. Whoever • __________ breaks the law should be punished.
• A. that B. if C. whether D. what
C • 3. This is ______ he was often late for school.
• A. what B. that C. why D. whether
B • 4. We all know the truth ______ the earth ______ around the sun.
宾语 。 引导词有连 3.宾语从句：在复合句中作主句的________ 词that , whether, if; who, whom, whose, what ,which; when ,where, how, why 等。如:
that it is of great value to teach them ● They realize ________ to the younger generation. what made him act like that. ● I can’t imagine ________ ● I asked whether/ if they had a cheap suit.
• 2、连接副词：when, where, why, 有 how________ 词义，在从句中_____担任成分， 担任哪些成分？ 状语 ______________________________________ When we will hand in the project will be • __________ discussed later.
成分。
whether you have money or not. • I don’t care about __________ whether Tom is able to arrive on • The problem is __________ time. That • __________ the meeting will be held here is not decided yet. as if • It looks __________ it is going to rain. that • The truth is __________he didn’t come for the concert. That • __________ the earth is round is true.
how • This is _________ Henry solved the problem. • His suggestion is _________ that we (should) finish the work at once.
as if • It looked _________ it was going to rain. why we didn't trust him is _________ that • The reason _________ he has often lied．
• Parents are thought to understand how ______important education is to their children’s future.
• 3、从属连词：that, whether, if, as if, as though。that
不 担任成分，有时可省略；if 无 词义，在从句中____ ____ 有 词义，但在从句中_______ 不 担任 (whether), as if_______
表语 。引导词有连 • 2. 表语从句：在复合句中作主句的_______
词that , whether, as if, as though; who, what, which, whose; when, where, how, why, because 等。如:
why • The problem is _________ we didn’t get in touch with him.
• 总结： • 连接词词义担任成分关系代词关系副词从 属连词
连接词 关系代词 关系副词 who whoever what… 词义 有 有 有 无 担任成分 主 宾 表 定 状 不充当 不充当
when where how why whether if as if
从属连词 that
• 三．名词性从句的类型： • 1. 主语从句：在复合句中作主句的 主语 _______ 。连接词有that, whether; who, what ,which; when ,where, how, why 等。 如:
名词性从句
• 学习目标：
• 掌握名词性从句的四大类型以及它们的用法，并能判断出 练习中的句子属于什么从句类型，会做一些简单的练习。
• 学习重点：
• 1.能快速判断出一个句子属于什么类型的从句。 • 2. 注意宾语从句的时态呼应。
• 学习难点：
• 1. that什么情况下可以省略，什么情况下不可以省略。 • 2. whether 和if 什么时候可以互换，什么时候不可以互换。
2. What she said is not true. （ What ）（ 主语 ）
）
3. Who broke the window has not been found out. （ Who ）（ 主语 ） 4. He asked whose handwriting is the best in our class. （ Whose ）（ 宾语 ） 5. That is why she left home yesterday. （ why ）（ 状语）
Who • ______ broke the glass yesterday is not clear.
• 尝试：
B • It worried her a bit ______ her hair was turning grey. • A. while
B. that
C. if
D. for
A we can get so • It remains a question ______ much money in such a short time.
• A. if; moved move B. that; moves C. why; move D. whether;