资源简介

(共16张PPT)
Unit 2 No Rules, No Order
七年级
人教2024版
下
语法+写作解析
一、语法解析
(一) 祈使句:
用于表达命令、请求、警告、禁止，常常在句首或句尾加please
肯定祈使句结构:
(1)动词原形(+宾语)+其它
(2) Be动词 + 表语(名词/形容词)+其它
(3) Let +宾语 +动词原形+其它
Eg: Hurry up, please.请快点!
Be careful, please.请当心!
Let's play together.让我们一起玩吧!
否定祈使句:
Don't+动词原形 +其它.
No + 名词/动词ing.
Eg: Don't be late.别迟到。
No photos. 禁止拍照。
No smoking.禁止吸烟。
(二)情态动词
情态动词表示说话人对所说动作的观点，如需要、可能、意愿、怀疑等。
情态动词一般没有人称和数的变化，有些形容词没有时态的变化。
情态动词本身有词义，但不能单独使用，后面必须加动词原形。
1.can
(1)表能力:He can speak English.他会说英语。
(2)表许可:You can play for an hour.你可以玩一个小时。
(3)表请求:Can you help me 你能帮我吗
2.may
(1)表许可，比can更委婉:
Eg: May I have a look 我可以看一看吗
(2) 表可能性，意为“也许”:
Eg: I may be late.我也许迟到了。
3.must
说话人主观意愿，其否定形式mustn't表示“禁止;不准”
表必须:
Eg: You must finish work in two hours.两个小时后你必须完成工作。
注意:用must开头的一般疑问句，其否定回答用 needn't
Eg: -- Must I finish my homework now 我必须现在完成我的工作吗
-- No, you needn't.不，你不需要。
4.have to
强调客观的需要，其否定形式don't have to表示“不必”
表示“不得不;必须”
[即学即用]
一、用所给词的适当形式填空
1.____________ (not eat) in class.
2.We must________ (be) careful when we cross the street.
3.It's important for us _________ (learn) English carefully.
4.No ____________ (swim) in the river.
5.___________ (listen) to the teacher carefully.
Don’t eat
be
to learn
swimming
Listen
二、单项选择
( )1.Jim,______fight with your elder brother.
A.doesn't B. don't C.not D.no
( )2. The park is far away. We ______ take the subway to the park.
A.must B. can C.has to D. have to
( )3. -- Don't make noise in the library. --___________.
A.Yes, I can B. No, I can't C.Yes, I know D. Sorry, I won't
B
D
B
( )4. -- Must you do the dishes now -- No, I_____. But I want to do it now.
A.can't B. mustn't C. don't D. needn't
( )5. Don't go out _____school night.
A.at B.on C.in D.by
D
B
二、写作解析
本单元写作话题为“学校或家庭的规章制度”
(一)常用短语
1.the rules of school 校规
2.follow the rules遵守规则
3.keep quiet保持安静
4.on time 按时
5.be late for迟到...
6.listen to ...听...
7.have to不得不
8.fight with...和....打架
(二)常用句型
1.There are too many rules in my family/school.
2.I/ We can't ...
3.I/ We must ...
4.I/ We have to ...
5.I think it's ...
(三)写作思路
可按照“总分总”结构
总:直接引出话题，交代要写的规章制度，
分:分别介绍规章制度，应该做的和不应该做的事情。
总:发表对规章制度的看法。
(四)范文
Hello, everyone. Today I will tell you some class rules in my class.
There are many rules in our class. First, we can't arrive late for class.We must be on time for every class. Second, we can't eat in the classroom because we must keep the classroom clean.Third, we can't listen to music in class, but we can listen to it after class. Fourth,we can't run in the hallways or the classroom,either.Last,when we meet our teachers on the way, we should say hello to them.
I think most of the rules are good for us which can help us a lot.But some of them are too strict, so we must follow the rules.
Thanks!
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Unit 2 No Rules, No Order 语法+写作解析
一、语法解析
(一) 祈使句:
用于表达命令、请求、警告、禁止，常常在句首或句尾加please
肯定祈使句结构:
(1)动词原形(+宾语)+其它
(2) Be动词 + 表语(名词/形容词)+其它
(3) Let +宾语 +动词原形+其它
Eg: Hurry up, please.请快点!
Be careful, please.请当心!
Let's play together.让我们一起玩吧!
否定祈使句:
Don't+动词原形 +其它.
No + 名词/动词ing.
Eg: Don't be late.别迟到。
No photos. 禁止拍照。
No smoking.禁止吸烟。
(二)情态动词
情态动词表示说话人对所说动作的观点，如需要、可能、意愿、怀疑等。
情态动词一般没有人称和数的变化，有些形容词没有时态的变化。
情态动词本身有词义，但不能单独使用，后面必须加动词原形。
1.can
(1)表能力:He can speak English.他会说英语。
(2)表许可:You can play for an hour.你可以玩一个小时。
(3)表请求:Can you help me 你能帮我吗
2.may
(1)表许可，比can更委婉:
Eg: May I have a look 我可以看一看吗
表可能性，意为“也许”:
Eg: I may be late.我也许迟到了。
3.must
说话人主观意愿，其否定形式mustn't表示“禁止;不准”
表必须:
Eg: You must finish work in two hours.两个小时后你必须完成工作。
注意:用must开头的一般疑问句，其否定回答用 needn't
Eg: -- Must I finish my homework now 我必须现在完成我的工作吗
-- No, you needn't.不，你不需要。
4.have to
强调客观的需要，其否定形式don't have to表示“不必”
表示“不得不;必须”
[即学即用]
一、用所给词的适当形式填空
1.Don't eat (not eat) in class.
2.We must be (be) careful when we cross the street.
3.It's important for us to learn (learn) English carefully.
4.No swimming (swim) in the river.
5.Listen (listen) to the teacher carefully.
二、单项选择
( B )1.Jim,______fight with your elder brother.
A.doesn't B. don't C.not D.no
( D )2. The park is far away. We ______ take the subway to the park.
A.must B. can C.has to D. have to
( D )3. -- Don't make noise in the library. --___________.
A.Yes, I can B. No, I can't C.Yes, I know D. Sorry, I won't
( D )4. -- Must you do the dishes now -- No, I_____. But I want to do it now.
A.can't B. mustn't C. don't D. needn't
( B )5. Don't go out _____school night.
A.at B.on C.in D.by
二、写作解析
本单元写作话题为“学校或家庭的规章制度”
(一)常用短语
1.the rules of school 校规
2.follow the rules遵守规则
3.keep quiet保持安静
4.on time 按时
5.be late for迟到...
6.listen to ...听...
7.have to不得不
8.fight with...和....打架
(二)常用句型
1.There are too many rules in my family/school.
2.I/ We can't ...
3.I/ We must ...
4.I/ We have to ...
5.I think it's ...
(三)写作思路
可按照“总分总”结构
总:直接引出话题，交代要写的规章制度，
分:分别介绍规章制度，应该做的和不应该做的事情。
总:发表对规章制度的看法。
(四)范文
Hello, everyone. Today I will tell you some class rules in my class.
There are many rules in our class. First, we can't arrive late for class.We must be on time for every class. Second, we can't eat in the classroom because we must keep the classroom clean.Third, we can't listen to music in class, but we can listen to it after class. Fourth,we can't run in the hallways or the classroom,either.Last,when we meet our teachers on the way, we should say hello to them.
I think most of the rules are good for us which can help us a lot.But some of them are too strict, so we must follow the rules.
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