Lesson 2 We mustn't cross the street now 复习课件

(共37张PPT)
Unit 2 We mustn’t cross the street now.
科普版 五年级下
Lesson 2
We mustn’t cross the street now!





Lesson 2: Vocabulary:词汇

must [m?st]
情态动词，必须
发音：u发/?/
street [stri?t]
名词，街道
发音：ee发/i?/
light [la?t]
名词，灯，光线
发音：igh发/a?/



Lesson 2: Vocabulary:词汇

cousin [?k?zn]
名词，堂表兄弟姐妹
发音：ou发/?/
answer [?ɑ?ns?(r)]动词，回答
发音：er发/?/
cross [kr?s]
动词，穿过
辨析： across:介词



Lesson2: Vocabulary:词汇检测

根据首字母提示补全单词，完成句子：
Who can a _____ the question?
We m____ stop at the red l______.
Don’t run in the s ______. It’s dangerous.
You can help old people c_____ the road.



Lesson2: Vocabulary:词汇检测

答案解析：
Who can answer the question?
We must stop at the red light.
Don’t run in the street. It’s dangerous.
You can help old people cross the road.



Lesson2: Let’s talk 速读并翻译




Lesson2: Let’s talk 速读并翻译




Lesson2: Let’s talk 重点讲解

1. You mustn’t run in the street. 你不许在街上乱跑.
We mustn’t cross the street now. 现在我们不能过街.
must：情态动词，必须，后面加动词原形
否定形式： mustn’t: 禁止，不必
must可以独立构成否定句和一般疑问句
Must引导的一般疑问句，肯定回答：Yes, you must. No, you needn’t.
经典例题：
1. 你必须先做作业。(汉译英）
___________________________
2. Must she clean the room now?（作否定回答）________________



Lesson2: Let’s talk 重点讲解

2. Are you going shopping? 你要去购物吗？
be going: 用现在进行时表示将来时
具有相同用法的动词还有 come, get等.
go shopping: 去购物
go doing 词组： go swimming; go skating; go fishing等
经典例题：
. 你要去公园吗？（汉译英）
________________________



Lesson2: Let’s talk：趁热打铁

单项选择：
You _____ run in the street.
A must B can C mustn’t
2. Are you going ______?
A shop B shopping C shops
3. She mustn’t _____loudly in class.
A speak B speaks C speaking
4. I want to go _____.
A swim B swimming C swims



Lesson2: Let’s talk：趁热打铁

答案解析：
You _____ run in the street.
A must B can C mustn’t
2. Are you going ______?
A shop B shopping C shops
3. She mustn’t _____loudly in class.
A speak B speaks C speaking
4. I want to go _____.
A swim B swimming C swims



Lesson2: Let’s learn

turn left
向左转

park the car
停车

turn around
调转方向



Lesson2: Let’s learn:趁热打铁

用英文翻译下列的指示牌：
01 _______________________________________________
02 _______________________________________________
03________________________________________________



Lesson2: Let’s learn:趁热打铁

答案参考：
01 You mustn’t turn left here.
02 You mustn’t park the car here.
03 You mustn’t turn around here.



Lesson2: Listen and say

You can sit here.
你可以坐在这里.
can+动词原形
sit here: 坐在这



Lesson2: Listen and say

an old granny
一位老奶奶
an用于元音音素开头的单词前

should+动词原形
应该做某事
give sth to sb
= give sb sth
给某人某物

Thank you.
谢谢你
You’re welcome.
不客气



Lesson2: Listen and say :小练习

按要求写句子：
She gives me a book.（同义句）
________________________
2. 这里禁止停车。（汉译英）
_________________________
3. You can sit here.（汉译英）
________________________
4. 当别人对你说“thank you”,你应该说：
________________________



Lesson2: Listen and say :小练习

答案解析：
She gives me a book.（同义句）
She gives a book to me.
2. 这里禁止停车。（汉译英）
You mustn’t park the car here.
3. You can sit here.（汉译英）
你可以坐在这里.
4. 当别人对你说“thank you”,你应该说：
You’re welcome.



Lesson2: Read

Don’t do sth
= You mustn’t do sth
都表示禁止，不许做某事
be going to+动词原形
表示“打算、将要做某事”
are walking: 正在走
现在进行时
play with sth
玩…



Lesson2: Read




Lesson2: Read

must wait
必须等待



Lesson2: Read

The red light:
Don’t cross and must wait
The green light:
Let’s go
The yellow light:
stop and wait



Lesson2: Read 练习

用所给单词的适当形式填空：
Don’t _______(cross) the road now. It’s red light.
We are going to ______(play) football.
Look, They ________(walk) in the street.
You must ______(wait) now.
You can’t play with _______(you) ball.



Lesson2: Read 练习

答案解析：
Don’t cross (cross) the road now. It’s red light.
We are going to play (play) football.
Look, They are walking (walk) in the street.
You must wait (wait) now.
You can’t play with your (you) ball.



Lesson2: 随堂练习

一、选出下列单词中不同类的一项：
（ ）A cousin B meat C brother
（ ）A answer B question C learn
（ ）A thirteen B number C one
（ ）A across B put C cross
（ ）A may B must C job



Lesson2: 随堂练习

答案解析：
（ B ）A cousin B meat C brother （词性辨析）
（ B ）A answer B question C learn （词性辨析）
（ B ）A thirteen B number C one （词性辨析）
（ A ）A across B put C cross ….
（ C ）A may B must C job ….



Lesson2: 随堂练习

二、单项选择：
May I go_____ you?
A with B and C for
2. You _____ play in the street.
A can B must C mustn’t
3. I’m _____ shopping.
A go B going C to go
4. Bob ____ to play football tomorrow.
A will B are going to C is going
5. You can cross the street when the light is ____.
A red B green C yellow



Lesson2: 随堂练习

答案解析：
May I go_____ you?
A with B and C for
2. You _____ play in the street.
A can B must C mustn’t
3. I’m _____ shopping.
A go B going C to go
4. Bob ____ to play football tomorrow.
A will B are going to C is going
5. You can cross the street when the light is ____.
A red B green C yellow



Lesson2: 随堂练习

三、选词填空：
can mustn’t
You_____ cross the street when the light is red.
You _____ help your mother do some housework.
You _____ read in bed.
You _____ learn English from your friend.
You ____ swim in the sea because it’s too dangerous.



Lesson2: 随堂练习

答案解析：
can mustn’t
You mustn’t cross the street when the light is red.
You can help your mother do some housework.
You mustn’t read in bed.
You can learn English from your friend.
You mustn’t swim in the sea because it’s too dangerous.



Lesson2: 随堂练习

四、英汉互译：
当红灯时，你不能过马路。
__________________________
2. Now they are walking in the street.
___________________________
3. 我可以和你去购物吗？
___________________________
4. I should give my seat to her.
___________________________



Lesson2: 随堂练习

答案解析：
当红灯时，你不能过马路。
You mustn’t cross the road when the light is red.
2. Now they are walking in the street.
现在他们正在街上行走.
3. 我可以和你去购物吗？
May I go shopping with you?
4. I should give my seat to her.
我应该把我的座位给她.



Lesson2: Summary：总结

情态动词：
can ,must, should等均为常见的情态动词。
情态动词后要加动词原形
情态动词可以独立构成否定句，疑问句
重点掌握mustn’t do 与can do的相关表达
掌握常见表达：
You mustn’t cross the street when the light is red.
You can cross the road when the light is green.


Thank you
谢谢
21世纪教育网（www.21cnjy.com) 中小学教育资源网站
有大把高质量资料？一线教师？一线教研员？
欢迎加入21世纪教育网教师合作团队！！月薪过万不是梦！！
详情请看：
https://www.21cnjy.com/help/help_extract.php