资源简介

(共34张PPT)
2025小升初
小学英语情态动词
How many “can” are there in the video
Six “can”.
情态动词
should
can
may
must
should
can
may
must
should
can
表明说话人的“情感”“态度”
情态动词之-_______
I can sing.
You can’t go there.
3. Can I sit now
肯：Yes, you _____.
否：No, you ______.　
can’t
can
can问____答
can+____
表______
表________
表_____
能力
不允许
询问
★根据情景，也可用
“Yes, please. / OK.” “Of course.” “Sorry. ”
V原
can
can
Tim _____ _____ more water.
Yes, ___ ______.
No, ___ ______.　
should
_____ Tim _____ more water
he
should
he
shouldn’t
Tim应该多喝一些水.
should
drink
情态动词之-_________
drink
should+____
V原
Tim应该多喝一些水吗？
Should
should问______答
should
应该
must
Let's challenge
--- Must he do his homework now
--- ________.
Yes, he need.
Yes, he must.
Yes, he can.
　
情态动词之-________
表“禁止”，不准
must+____
V原
A. No, he mustn’t.
B. No, he needn’t.
C. No, he can’t.
不必要
must问，否定用needn’t答
必须
情态动词之-_______
may
--- May I swim here
--- Yes, ____ ____./____.
--- No, ____ ____ ____.
/ No, ___ _____.
may
you
may
you
Sure
you
can’t
mustn’t.
not
may+_____
V原
★may问______答，根据情景，也可用
___________________________等。
may
“Sure.” “No, …can’t/ mustn’t.”
可以
表猜测：can, may, must
可能不是
1. It ____ be Lily’s book, it has her
name on it.
A. may B. must
选择题：
2. It ____ be David in the classroom.
He is running outside.
A. may not B. can’t C. mustn’t
must be 一定是
可能是
不可能是
mustn’t 表禁止，不用于否定推测
1. 情态动词 +
2. must表“必须”时，否定回答要用______
needn’t
3. may提问，否定回答（除may not)外，
可用_____________
/mustn’t
4. 其他的情态动词提问，一律是
______________
can(能够)
must(必须)
should(应该)
may(可以)
can’t
V原
问 答
什么
什么
情态动词小结
---Dad, can I go out now
---No, you ______.
A. don’t B. can’t C. needn’t
2. --- Must I go back home now
--- No, you _____.
A. mustn’t B. can’t C. needn’t
火力全开
句型转换
She can sing.
否定句：She___________sing.
有can用can
can’t
一般疑问句：_________she sing
Can
肯否回答：
Can问can答
Yes,she can.
No,she can’t.
句型转换
He should sleep now.
否定句：He___________sleep now.
有should用should
shoudn’t
一般疑问句：_________he sleep now
Should
肯否回答：
Should问should答
Yes,he should.
No,he shouldn’t.
句型转换
He must do his homework now.
否定句：He__________do his homework now.
有must用must
needn’t
一般疑问句：_________he do his homework now
Must
肯否回答：
must问needn't答
Yes,he must.
No,he needn’t.
句型转换
I may swim here.
否定句：I___________swim here.
有may用may
may not
一般疑问句：_________I swim here
May
肯否回答：
回答根据情景
Yes,you may.
No,you may not/can’t/mustn’t.
Let’s practice
1.Joe can play basketball very well.
句型转换
变为否定句
Joe______ _______basketball very well.
can’t
play
2.I can draw some pictures.
变为一般疑问句
______ _______ ______ _______pictures
否定回答
______,_______ ______ .
Can
you
draw
any
No
I
can’t
口诀：有can用can,特殊情况要牢记，
some变any,“一变二”；
I/we--you, my/our--your
拓展部分
1.情态动词有can (could), may (might), must, have to, shall (should), will (would), need (needed)等；
2.情态动词无人称和数的变化；
3.情态动词不能单独使用，其后必须加动词原形。
I can sing.
All of my classmates can sing.
Let’s learn more
1.can & could
1.表示能力（体力，知识，技能）
They can speak English.
He can ski.
此时，can可用be able to代替
can无人称变化，be able to有多种时态
当表示“经过努力才得以做成功某事”时
应用be able to，不能用can。
Let’s learn more
1.can & could
2.表示请求和允许。
Can I go now
Yes, you can./No, you can’t.
此时，can可与may互换
在疑问句中还可用could，might代替，不是过去式，只是语气更委婉，不能用语否定句和答语中。
--Could I come to see you tomorrow
--Yes, you can./No, I’m afraid not.
回家？
Let’s learn more
2.may & might
1.表示请求和允许
Might/May I smoke in this room
No, you mustn’t.
might比may语气更委婉，而不是过去式。否定回答时可用can't或mustn’t，表示“不可以，禁止”
Might/May I take this book out of the room
Yes, you can./No, you can’t/mustn’t.
用May I…？征求对方许可比较正式和客气，而用Can I…？在口语中更常见。
Let’s learn more
2.may & might
2.用于祈使句，表示祝愿
May you succeed.
3.表推测，可能性（不用于疑问句），might不是过去式，它所表可能性比may小。
She may/might be busy now.
Let’s learn more
3.must & have to
1.表示必须，必要
Must we hand in our homework today
Yes, you must./No, you don’t have to./No, you needn’t.
在回答引出的问句时，如果是否定的，不能用mustn’t（禁止，不准），而用needn’t, don’t have to（不必）
用May I…？征求对方许可比较正式和客气，而用Can I…？在口语中更常见。
Let’s learn more
3.must & have to
2.must是说话人的主观看法，而have to则强调客观需求。
must只有一般现在时，have to有更多的时态形式。
用May I…？征求对方许可比较正式和客气，而用Can I…？在口语中更常见。
The film is boring. I really must go now.
I had to work when I was your age.
Let’s learn more
3.must & have to
3.表示推测，可能性（只用于肯定的陈述句）
用May I…？征求对方许可比较正式和客气，而用Can I…？在口语中更常见。
The boy must be waiting for his mom.
说好3点的！
Let’s learn more
4.shall & should
1. shall用语第一人称，征求对方的意见
What shall we do this morning
2.shall用语第二，三人称，表示说话人给杜芳的命令，警告，允诺或威胁。
You shall fail if you don’t work hard.(警告)
Let’s learn more
5.will & would
1. 表示请求，建议等，would更委婉
Will/Would you pass me the gift, please
2.表示意志，愿望和决心
I will never be lazy.
3.表示估计和猜想
It would be about 10 o’clock when she left home.
Let’s sum up
must
情态动词表推测的把握性排序（由大到小）
>
will
>
would
>
should
>
can
>
could
>
may
>
might
>
can’t
1. I can speak French(法语).
Let’s practice
句型转换
变为一般疑问句
Can you speak French
变为否定句
I can't speak French.
对话线部分提问
What can you do
2.She will work in the USA after graduation.
Let’s practice
句型转换
变为一般疑问句
Will she work in the USA after graduation
变为否定句
She won’t work in the USA after graduation.
对话线部分提问
When will she work in the USA
3. They will have a picnic this weekend.
Let’s practice
句型转换
变为一般疑问句
Will they have a picnic this weekend
变为否定句
They will not have a picnic this weekend.
对话线部分提问
What will they do this weekend
4.The little boy can read in English.
Let’s practice
句型转换
变为一般疑问句
Can the little boy can read in English
肯/否定回答
Yes, he can./ No, he can’t.
变为否定句
The little boy can’t read in English.
Thank you !
Thank you !

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