七年级下册Unit 1 Can you play the guitar?Section A （Grammar Focus-3c）语法课件（共有PPT20张）

(共20张PPT)
Unit 1 Can you play the guitar
Section A Grammar Focus-3c
学习目标
1.会背会默重点单词：write, show, or, talk, kung fu。
2.掌握情态动词can的肯定句和一般疑问句及其肯定、否定回答； 学会灵活运用can的多种否定形式：can’t, cannot; 掌握can在what引导的特殊疑问句中的用法。
3.能运用情态动词can谈论自己或他人的能力。
show
write
guitar
violin
music
club
Rule:
知道词义的，迅速站起来，说出答案
story
teach
weekend
Review
What can she do
She can dance.
dancer
Review
What can they do
They can play chess.
play
chess
Review
What can he do
He can
do kung fu.
kung fu
Grammar Focus
Can you swim Yes, I can./No,I can’t.
Can he play chess Yes, he can./ No,he can’t.
Can you and Tom play chess Yes, we can./ No,we can’t.
Can Jane and Jill swim Yes, they can./No,they can’t.
What can you do I can dance./I can’t sing.
What club do you want to join We want to join the chess club.
can后的动词形式有什么特点？
can随人称变化而变化吗？
can的否定形式是什么样的？有缩略形式吗？
can在一般疑问句和特殊疑问句中需要借助助动词吗？
Brain Storming
Grammar Focus
Can you swim Yes, I can./No,I can’t.
Can he play chess Yes, he can./ No,he can’t.
Can you and Tom play chess Yes, we can./ No,we can’t.
Can Jane and Jill swim Yes, they can./No,they can’t.
What can you do I can dance./I can’t sing.
What club do you want to join We want to join the chess club.
can后的动词形式有什么特点？
can后用动词原形。
can随人称变化而变化吗？
can没有人称的变化。不管主语是什么人称， can及其后面的动词不会变化。
can的否定形式是什么样的？有缩略形式吗？
can的否定形式是在其后直接加not, 即can not, 可缩略成can’t或cannot。
can在一般疑问句和特殊疑问句中需要借助助动词吗？
不需要借助助动词，应将can直接提前，变为疑问语序。
can做情态动词，意为“能；会”，后接动词原形，没有人称和数的变化，也不能单独在句子中做谓语，可以与其后动词一起构成复合谓语。
情态动词can的基本用法
情态动词can的句型结构
肯定句 主语 + can + 动词原形 + 其他.
He can play the piano. 他会弹钢琴。
否定句 主语 + can’t/cannot + 动词原形+其他.
He can’t/cannot play the piano. 他不会弹钢琴。
一般疑问句 Can + 主语 + 动词原形 + 其他
肯定回答：Yes, 主语 + can.
否定回答：No, 主语 + can’t.
—Can he play the piano 他会弹钢琴吗？
—Yes, he can. 是的，他会。/No, he can’t. 不，他不会。
特殊疑问句 特殊疑问词 + can + 主语 + 动词原形+其他
What can he do 他会做什么？
1.“can’t+动词原形”意为“一定不可能”，表示有一种有把握的否定推测。
It’s Sunday today.Li Lei can’t be at school. 今天是星期天。李磊不可能在学校。
2.can表示“请求；许可”时，相当于may,但语气没有may严肃。 Can I... 意思是“我可以/能......”。肯定回答:Yes,you can. / Yes,please./Certainly./Of course./Sure.等。否定回答：No,you can’t/mustn’t./Sorry,.../I’m afraid not等。
特殊用法
3a
Write questions and answers with the words
and phrases.
1. Wu Jun/speak English/speak Chinese
____________________________________
____________________________________
2. Mike/play basketball/play tennis
_____________________________________
_________________________________
Can Wu Jun speak English
No, he can’t, but he can speak Chinese.
Can Mike play basketball
No, he can’t, but he can play tennis.
3. Jane and Jill/dance/sing
___________________________
____________________________________
4. Grace/play soccer/play volleyball
________________________
______________________________________
5. Bill/write stories/tell stories
____________________
______________________________
Can Jane and Jill dance
No,they can’t, but they can sing.
Can Grace play soccer
No,he can’t, but he can play volleyball.
Can Bill write stories
No,he can’t, but he can tell stories.
3b
Complete the poster with the words in the box.
Students Wanted for School Show
We want students for the school show. Can you ______ or ______ Can you ______ the guitar Can you _______ stories Please talk to Mr. Zhang after school.
play
sing
tell
dance
sing
dance
play
tell
3c
What can your group do in the school show Make a list.
Name What can you do
Li Xin do kung fu
School Show
Sunday 6:00 p.m.
in the music room.
What can you do
Come and show us!
Exercise
一、用所给词的适当形式填空。
1.Her sister can_________(speak)English.
2.—Can he play the piano
—Yes,he_______(can).
3.—Is that girl in red Sally
—No,it can’t ______(is)her.She has gone to Hong Kong.
4.Lucy__________(can not) find her pencil-box.
5.—Can you go swimming with me tomorrow
—I‘m sorry,I ________(can not).
speak
can
be
can’t
can’t
Exercise
一、单项填空。
1. Mike can't play ________ chess.
A.the B.a C./ D.an
2. —Can aunt Wang dance
—No, she ________. But she can sing.
A.is B.can't C.do D.don't
3. Lily can ________ Chinese kung fu.
A.make B.have C.do D.think
4. — ________
—She wants to join the swimming club.
A.What can she do B.What club does she want to join
C.What does she like D.Where can she swim
5. —What ________ you do, Tom
—I can sing English songs well.
A.can B.can't C.must D.do
Thank you