人教版九年级全册Unit 2 I think that mooncakes are delicious! 宾语从句课件 (共23张PPT)

(共23张PPT)
一．学习重点：
1.学习并掌握宾语从句的定义、引导词、语序、时态。
2.学习并掌握宾语从句与简单句的转换。
二、学习难点：
1.学习并掌握宾语从句的引导词、语序、时态。
2.if与whether的区别
句子结构
句子结构
简单句
复合句
并列句
句子结构：简单句
简单句，即拥有一套主谓结构的句子。
一套主谓结构是指一句话中有一组主语和谓语。
宾语从句的定义
I like .
I like .
I decide .
I know .
宾语是动作、行为的对象，是动作的承受者。
宾语由名词、代词、不定式或相当于名词的词、短语来担任。
my teacher
playing basketball
to study hard
him
（名词作宾语）
（动名词作宾语）
（不定式作宾语）
（代词作宾语）
We know him．
We know he likes English.
主s
主s
谓v
谓v
宾o
宾o
在复合句中，由一个句子来充当宾语，
这个句子叫做宾语从句。
主s
谓v
宾o
简单句
复合句
宾语从句
1. Do you know where he comes from
2. What he said is difficult for me.
3. I wonder whose book it is.
4. Please tell me why the train is late.
5. If you come, I will be happy.
6. I know that I can finish the work.
7. I don't know if/whether she is right .
比眼力：请判断下列句子中哪些是宾语从句。
×
×
宾语从句的定义
宾语从句的引导词
宾语从句要有引导词
宾语从句的引导词
that：在从句中无词义，不充当成分，只起连接作用，
在口语中常被省略。
I hear (that) he will be back in an hour.
He told me (that) the meeting was over.
一、从句原形是陈述句的，由that引导。
宾语从句的引导词
Is she right
I want to know if/whether she is right.
Can they visit the museum
They wonder if/whether they can visit the museum.
if/whether：引导宾语从句表示“是否”之义，
在句中不充当句子成份。
二、从句原形是一般疑问句的,由whether,if引导。
if与whether的区别
1.I don’t know ________ he will come or not.
2.That depends on ________ he can come back.
3.He wondered ________ to stay here the next week.
与or not 连用只能用whether
介词后只能用whether
与不定式to do 连用只能用whether
whether
whether
whether
练一练：请用if或whether来填空
Can you tell me ____________ it will rain tomorrow
I don’t know ____________ this bike is Bob's.
3. He wonders ____________ to sit at the front.
4. I don’t care of ____________ he is handsome.
5. Please tell me ____________ I have to clean the room now.
6. I don’t know ____________ Lucy can dance or not.
if/whether
if/whether
if/whether
whether
whether
whether
宾语从句的引导词
三、从句原形是特殊疑问句的由连接代词who,whom,
whose,which,what和连接副where,how,why,when
引导。
Do you know whose book it is （ 谁的，作定语）
Could you tell me why the train is late （为什么，作状语）
He wonders who can answer the question.（谁，作主语）
这些连词既有词义，又充当句子成份。
宾语从句的语序
无论主句是陈述句还是疑问句，宾语从句都是运用
陈述句的语序，即“主+谓V+其它”的顺序。
宾语从句的语序
宾语从句的时态
宾语从句的时态
1）主句是一般现在时，从句根据实际情况使用任何时态。
She says (that) she works from Monday to Friday.
Peter wants to know what Lucy was doing at 8:00 yesterday morning.
2）主句是过去时态，从句须用过去时态的某种形式。
My aunt asked me when I would buy a new car.
3）当宾语从句表示的是一个客观真理或者事实时，无论主句是什么时态，从句都用一般现在时态。
The teacher told us (that) nothing is difficult if we put our hearts into it.
He said that light travels much faster than sound.
主现从随意
主过从过
从真理，一般现在永不变！
练一练
宾语从句的引导词
1. （2021成都中考）—How wonderful the school concert is! I wonder__________our
school will hold it next year.
—Sure. It’s our school tradition!
A. how B. if C. where
√
2. （2021安徽中考）—I’m not sure ____________my suggestion is helpful to you.
—It certainly is. Every little bit helps.
A. why B. how C. whether D. where
√
3. Our teacher told us that the earth ________around the sun.
A. will go B. went C. goes
√
4. （2021吉林中考）—Excuse me, I wonder______the plane can land on time.
—Wait a minute, please. Let me check it out.
A. if B. which C. that
√
Objective Clauses(宾语从句）
P.12
I don’t know whether he will come home for the festival.
I believe that the Water Festival is the most fun.
I wonder if the mooncakes are delicious.
P.12