Unit 1 Can you play the guitar?第3课时（Section A Grammar Focus-3c) （同步课件）(共24张PPT)

(共24张PPT)
仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而
Unit 1 第3课时（Section A Grammar Focus-3c)
Unit1 Can you play the guitar
Look and say.
Game: Quick eyes
Pair-work
A: What can you do
B: I can... Can you...
A: Yes, I can. / No, I can't.
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 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.
语法专讲： 情态动词can
定义：can 能，会，可以，常用来表示有某种能力。
1. 陈述句：
句型：I/She/He/They/We+can+动词原形+其他。
e.g. Lily can draw very well.
丽丽能画得非常好。
2. 否定句：
句型：I/She/He/They/We+can't+动词原形+其他。
e.g. I can't play football.
我不会踢足球。
语法专讲： 情态动词can
用法：can't 不能，不会，不可以，表示没有能力去做某事。
e.g. They can swim in winter.（改为否定句）
They can't swim in winter. 他们不能在冬天游泳。
3. 一般疑问句：
句型：Can + I/she/he/they/we + 动词原形+其他
e.g. Can you play the dram 你会打鼓吗？
用法：位于主语前，表示提出疑问,需要用Yes或No加主语和can或can't来
回答。
e.g. —Can Lily speak English ——丽丽会说英语吗？
—Yes, she can. / No, she can't.——是的，她会。/不， 她不会。
语法专讲： 情态动词can
4. 特殊疑问句：
句型：特殊疑问词+ can +I / she/he/they/we+动词原形+其他
e.g. What can Lily do 丽丽会做什么
用法：用于特殊疑问词后，不用Yes或No来回答。
e.g. —What can they do ——他们能做什么？
—They can play the piano. ——他们能弹钢琴。
Write questions and answers with the words and phrases.
3 a
Wu Jun/ speak English/ speak Chinese
_________________________________________
_________________________________________
2. Mike/ play basketball/ play tennis
_________________________________________
_________________________________________
3. Jane and Jill/ dance / sing
_________________________________________
_________________________________________
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.
Can Jane and Jill dance
No, They can’t, but they can sing.
Write questions and answers with the words and phrases.
3 a
4. Grace/ play soccer/ play volleyball
_________________________________________
_________________________________________
5. Bill/ write stories/ tell stories
_________________________________________
_________________________________________
Can Grace play soccer
No, she can’t, but she can play volleyball.
Can Bill write stories
No, he can’t, but he can tell stories.
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.
Complete the following poster with the words in the box.
3 b
sing/dance
dance/sing
play
tell
play
sing
tell
dance
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!
What can your group do in the school show Make a list.
3 c
can后的动词形式有什么特点？
can的否定形式是什么样的？
有缩略形式吗？
can随人称变化而变化吗？
can在一般疑问句和特殊疑问句中需要借助助动词吗？
自主研讨
Wise men learn by other men's mistakes; fools by their own
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.
Grammar Focus
Talk about the usage of “can”
Can+主语+动词原形？
肯定回答：Yes,主语+can
No,主语+can’t.
can’t=can not
Wise men learn by other men's mistakes; fools by their own
Can you summarize the usage of can
can后的动词形式有什么特点？
can后用动词原形。
Wise men learn by other men's mistakes; fools by their own
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。
答疑解惑
Wise men learn by other men's mistakes; fools by their own
can的否定形式是什么样的？
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。
答疑解惑
Wise men learn by other men's mistakes; fools by their own
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。
答疑解惑
Wise men learn by other men's mistakes; fools by their own
情态动词的共同属性：
1.后加动词原形；
2.没有人称的变化；
3.一般可以直接提到句首构成一般疑问句。
你还记得哪些情态动词吗？
Wise men learn by other men's mistakes; fools by their own
单元同步语法精练
一、单项选择
1．—Can I swim in the river, Grandpa —________. It is dangerous(危险的)．
A．Yes, you can B．No, you can't
C．Yes, you need D．No, you needn't
2．Susan is good at English and she can ________ some English songs.
A．sing B．singing
C．to sing D．to singing
B
A
Wise men learn by other men's mistakes; fools by their own
3．Students ________ enjoy the colorful school life if they study at home instead of going to school.
A．mustn't B．can't C．must D．can
4．—Jack, ________ you ride a bike —Yes, I can.
A．can B．may C．need D．must
B
A
Wise men learn by other men's mistakes; fools by their own
A
5．I ________ follow(听懂) you. Would you please repeat it
A．can't B．mustn't C．needn't D．shouldn't
6．You ________ watch TV, but you have to clean the room first.
A．must B．can C．can't D．mustn't
7．—Mom, may I go out to play football for an hour
—No, you ________. The air outside is not very clean.
A．can‘t B．needn’t C．Couldn’t D．mustn't
B
A
Wise men learn by other men's mistakes; fools by their own
二、按要求改写句子
1．My father can speak English well.(改为一般疑问句)
________ ________ father________ English well
2．She can draw．(对画线部分提问)
________ ________ she ________？
3．Can Lin Fang and Li Mei play chess？(作肯定回答)
________，________ ________.
4．Can Kate's sister play the violin？(作否定回答)
________，________ ________.
5．Li Chen can't sing. Li Chen can't swim.(合并成一个句子)
Li Chen________ sing ________ swim.
Can your
speak
What can
do
Yes they can
No she can't
can't
or
Wise men learn by other men's mistakes; fools by their own
Can 的用法
属性
can是情态动词，表示能力、意愿等
1
时态
can后跟动词原形，并且它不随主语人称的变化而变化
2
变否定
变否定句直接在can后加“not”。eg. I can not dance.
3
变一般疑问句
变一般疑问句直接把can提前。 eg. Can you dance
4
变特殊疑问句
What+can+人+do...
5
Summary
Wise men learn by other men's mistakes; fools by their own
仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而浸多也著于竹帛谓之仓颉之初作书盖依类象形故谓之文其形声相益即谓之字文者物象之本字者言孳乳而
谢君一赏