内容正文:
have to 用法
1
What do you want to do this weekend?
Discussion
I want to...
colorful weekend activities活动
sports
things you do outside
things you do at home
things you do about study
I want to......
help my parents
I have to .
4
an exam
prepare for an exam.
I have to
meet my friend.
I might have to
6
My birthday is coming. This Saturday,I’m going to have a birthday party at home.
Can you come to my party?
Sure, I’d love to.
Sorry, I can’t. I have to …
I'd love to,but I have to …
He has the flu.
go to the doctor
He must .
10
Pairwork
A: Can you come to the party ?
B: Sure, I’d love to./Of course./OK.
A: Can you come to the party?
C: Sorry, I can’t. I have to /must/might have to..... /I'd love to,but I have to...
prepare for an exam
help my parents
go to the doctor
meet my friend
have the flu
We are free this afternoon.
But,what can we do?
play basketball
have the flu
play the piano
go to the doctor
help my parents
go to the movies
prepare for an exam
meet my friend
弹钢琴
准备考试
去看病
去看电影
打篮球
帮父母
去见朋友
得了流感
Make your decision
Game
An invitation from Sun Ning
I am having a party on Saturday afternoon. Can you come to my party?
Listen and fill in the blanks.
Names can /can't why(can't)
Ted ———————— He has to help with his ________
Jenny ————————
Tim ———————— He has to prepare for an _______
Wilson ———————— He______ go to the doctor
Anna ———————— She_______ have to meet her _________
Kay ———————— She has the __________
can't
can
can't
can't
can't
can't
parents
exam
must
might
friend
flu
Pairwork
A:Can Ted/Tim/Wilson come to the party?
B:No, he can’t.He has to /must/might have to....
A:Can Anna/Kay come to the party?
B:No, she can’t.She has to/must/might have to....
Retell the conversations together.
I am having a party on Saturday, too. I want my friends to come. So I give Jeff, Mary, May, Mei Ling, Paul invitations. But …
Anna
Another invitation
Listen and choose the right answers.
1.Who can come to Anna's party?( )
A.Mary and Paul B. Mary and Jeff C. Mary and May
2.Why can't Jeff go to the party?( )
A. He might have to meet his uncle.
B. He might have to visit his grandmother.
C. He might have to meet his friend.
3.Why can't May go to the party? ( )
A. She has to help her parents.
B. She has the flu.
C. She has to do her homework.
4.Which of the following about Mei Ling is true? ( )
A. She must study for an English test.
B. She must study for a math test.
C. She must study for a Chinese test
A
C
B
B
An invitation card(邀请函)
Welcome to Miss Guo's birthday party!
From: Miss Guo
To : Class ____ Grade 8
Date: On Saturday December 8
Time: 3:00 pm
Place: Miss Guo's House
Welcome and have a good time!
Please be on time!
colorful weekend activities活动
sports
things you do outside
things you do at home
things you do about study
She/he has to/must ......
Miss Guo will have a birthday party on Saturday afternoon. In my group,there are 6 students. 3 of them can come to the party. So __ of them can't come to the party.They are _______ , _____ and______ .*** can't come to the party because she/he has to _____. *** would love to the party ,but she/he might have to______.*** can't go to the party.She/he must_______ ... ...
Report
22
Language points
1.情态动词can 除了表示能力、许可或猜测之外,还可以用于表示邀请。当情态动词can发出邀请时,要用其一般疑问句形式:
Can you ...? 意为“你能……吗?”用于邀请别人或委婉地请求某人去做某事。其肯定回答常用 Sure, I’d love / like to. /Of course./OK.
否定回答常用Sorry, I can’t. /I’d love to , but
I have to... /I'm afraid not. 然后礼貌地说明理由。
have to /must 后接V.原形来说明理由。
2.have to 的用法
情态动词have to与其他的情态动词如can,may,might,must和should 不同。
(1)这几个情态动词没有人称的变化, 而have to有。它的第三人称单数为“has to”。
(2)这几个情态动词在一般疑问句中将它们放在句首, 在否定句中直接在他们后边加not即可。而have to要加助动词do , does或 did 才可能完成其疑问、否定句。
You / He should study hard.
你/他应该好好学习。
He has to study hard.
他不得不好好学习。
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试将下面三句话分别写成
(1)一般疑问句,并作肯定回答。
(2)否定句。
a. They have to go to the party.
b. He has to go to see the doctor.
c. She had to study for a math test yesterday.
Do they have to go to the party?
Yes, they do.
They don’t have to go to the party.
Does he have to go to see the doctor?
Yes, he does.
He doesn’t have to go to see the doctor.
Did she have to study for a math yesterday?
Yes, she did.
She didn’t have to study for a math yesterday.
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Homework
Acording to your report,write a composition.
Thank You!
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