Unit 2 Colour宾语从句 Grammar B课件（共30张PPT）

(共30张PPT)
9A Unit2 Colors
Grammar B
Lead-in：Watch and think
The Lady Whitebone asks _________________________ .
if / whether he is Tang Monk
Is he Tang Monk
Task1：Look and say
Can Wukong tell the monster
Tang Monk is not sure _________________________.
if / whether Wukong can tell the monster
We wonder _______________________________.
if / whether they fight against the monster successfully
Do they fight against the
monster successfully
Object clauses introduced by if/whether
The Lady Whitebone asks if / whether he is Tang Monk .
Tang Monk is not sure if / whether Wukong can tell the monster.
We wonder if / whether they fight against the monster successfully.
We use __________ to introduce an object clause that expresses a yes/no question. We often use the same word order as in a ___________.
if/whether
statement
我想知道 悟空是否想离开
1.改为陈述句语气
2. 用if/whether连接
I wonder
Does Wukong want to leave
Wukong wants to leave
if / whether
I wonder
Task2: Thinking : 一般疑问句做宾语
Can you tell me
DDo you feel stressed at school
Can you tell me whether/if you feel stressed at school
I wonder
Are your parents strict with you
I wonder whether/if your parents are strict with you.
Are you certain
Will we have homework today
Are you certain whether/if we will have homework today？
Can you tell me
Did you do your homework
Can you tell me whether/if you did your homework？
Do you know
Have we passed the exam
Do you know whether/if we have passed the exam？
Task3：Join the two sentences
1. Do you feel stressed at school Can you tell me _________________________________
2. Are your parents strict with you I wonder _____________________________________.
3. Will we have homework today Are you certain ____________________________________
4. Did you do your homework Can you tell me
_____________________________________
5. Have we passed the exam Do you know
______________________________________
if / whether you feel stressed at school
if/whether your parents are strict with you
if/whether we will have homework today
if/whether you did your homework
if/whether we have passed the exam
Join the two sentences Join the two sentences
Is it easy to understand the grammar
( I want to know )
I want to know
if/whether
It is easy to understand the grammar.
it is easy to understand the grammar.
Exploration: Work out the rule
从上面两个例子我们可以得出：
宾语从句还可以用 ____or _________等连接；
中文:_______;说明对陈述的事物不明确或不清楚;
常用在know, wonder,sure,ask后, 其后用___________.
if
whether
“是否”
陈述句语序
1. Kitty cannot decide __________________
____________________________
if/whether she should choose the red dress.
Should I choose the red dress
改变人称
Problems
about
shopping
2. Sandy doesn’t know ________________
____________________________
if/whether white clothes suit her.
Do white clothes suit me
vt. 适合
3. Amy is asking _____________________
____________________________
if/whether the sports bag is made of cotton.
Is the sports bag made of cotton
4. Simon is not sure __________________
____________________________
if/whether the green T-shirt matches his trousers.
Does the green T-shirt match my trousers
5. Daniel often wonders _______________
__________________________________
____________________________
if/whether he should stay at home instead of going shopping with his classmates.
Should I stay at home instead of
going shopping with my classmates
改变人称
often
if/whether
Help Daniel complete his email using that, if or whether.
that
if/whether
that
that
if/whether
Help Daniel write a note for his dad.
(that) Dad knows a lot about colours
if/whether red is just the colour of heat and power
if/whether yellow was once the colour of the rulers in ancient China
if/whether the rulers in ancient Europe liked to wear purple
if/whether all the doctors in the world wear white uniforms
1. Everyone knows _______humans need water,
food and air to survive.
A. if B. what C. whether D. that
2.Could you tell me ______ a meeting in CCBS next week
A. if there was going to be
B. if there is going to be
C. whether is there going to be
D. whether there is going to have
3. I’d like to know________ or not.
A. whether will he come B. whether he will come
C. if will he comes D. if he will come
Choose the best answer
I don't know if I can defeat the monsters.
Take it easy. I just wonder whether Chang'e will love me or not.
Task4: Work out the rules
What are the differences between if / whether What are the differences between if / whether
I am interested in whether he’ll go to have a picnic.
Whether this is true or not, I am not sure.
We didn’t know whether or not she has come.
He can't decide whether to go to Canda.
We discussed whether we would have a sports meeting.
作介词的宾语时，用whether 不用if
从句可以移到主句之前的，用whether 引导而不用if
后面紧接or not，只用whether.
在动词不定式前，只能用whether.
用在动词discuss后面的宾语从句中
if 与whether 的区别
I don’t know _________ he will come or not.
I am not sure ____________ he is handsome.
He will go climbing ____ it doesn’t rain tomorrow.
I don’t know if ZhangJie__________( come) to our school next week.
I don't know ____ Mr. Wang will go on a trip. ____
he goes on a field trip tomorrow, please call me.
与or not 连用只能用whether
if 意思为“如果”
whether
if / whether
if
will come
if 意思为“是否”
if
If
if 意思为“如果”
Help sandy choose the best answer.
I haven’t decide ______ I will go out or stay at home.
A. if B. when C. why D. whether
I want to know ________ you love English.
A. that B. what C. if D. who
3.I wonder ______ our teacher will come to my birthday party.
A. whether B. why C. where D. that
4. I’d like to know________ or not.
A. whether will he come B. whether he will come
C. if will he comes D. if he will comes
5. Everyone knows _______humans need water,
food and air to survive.
A. if B. what C. whether D. that
ExercisesExercises
由从属连词whether, if 引导的宾语从句
e.g.
1. I want to know __________________________________.
(他是否跟我们一起去公园)
2. Ask him ________________________.
（他是否能来）
3. I don’t know ___________________________.
（是否要下雨）
if (whether) he will go to the park with us
whether (if) he can come
whether it is going to rain or not
这四种妖怪
该我出马啦
whether
I’m thinking of whether the girl is a monster.
I’m not sure whether she is a monster or not.
Whether she is a monster or not, I can’t tell.
They asked me whether to kill the monster.
宾语从句只用whether的情况
1. 介词后面
2. 不定式前面
3. “or/or not” 连用
4. 从句置于句首
2. 宾语从句中要用________ 语序.
Conclusion:
注意：1. whether和if意思为“是否” ，一般情况下两者可以换用，但与__________ 连用，只能用 whether。
2.if是“如果”的意思时，主句(___________) +if+从句
(____________).
if 表示“是否”，一般使用________________.
1. 一般疑问句我们要用___或 ___________来引导
if
陈述句
whether
or或or not
一般将来时
一般现在时
3. 宾语从句中要注意时态的变化.
一般将来时
如果需要我
我都会相助
只用if的情况
I'll help you if you need me.
条件状从
if
1. I asked her _________________ she had a bike.
2. We’re worried about ______________ he is safe.
3. We will go climbing ________ it doesn’t rain tomorrow.
4. I don’t know _______________ or not he is well.
5. I don’t know ______________ to go.
只能用
选择if/whether
if/whether
whether
if
whether
whether
if
whether
Task5:Practice
一排（非陈述语序）；
二判（时态）；
三定（引导词）；
1
1
1
1
1
1
注意： whether和if都是“是否”的意思，一般情况下两者可以换用，但在 _____之后 , ________之前， 与____________ 连用， 在____，只能用 whether。
介词
不定式
or或or not
句首
My findings：skills
Dear Mr Tang,
I’m glad （我能写信给你）.
I don’t know（悟空现在回来了没）.Because of the Lady Whitebone, you drove him away.However, （我认为他没有错）.He has special eyes that can tell monsters.In fact, he is lively and kind.So, you must ask yourself （你是否学会相信你的徒弟）. I hope （你能欣赏他，尽管他任然有一些缺点）.
I’m looking forward to hearing from you.
Write a letter to Tang Monk
Task5：Writing
Yours sincerely， _____________
Dear Mr Tang,
I’m glad that I can write to you .
I don’t know whether Wukong comes back or not.Because of the Lady Whitebone, you drove him away.However, I don’t think he is wrong.He has special eyes that can tell monsters.In fact, he is kind and clever . So, you must ask yourself if you learn to trust your disciple. I hope that you can appreciate him，although he still has some faults.
I’m looking forward to hearing from you.
Yours sincerely， ___Ivy_____