四年级上册英语课件-Unit 5 Safety Lesson 1 3｜人教新起点(2018秋)(共18张PPT)

03
Grammar learning
The usage of the present continuous tense
Describing ongoing actions
The present continuous tense is used to describe actions that are ongoing or currently happening. It is formed by using the present tense of the verb "to be" (am/is/are) followed by the -ing form of the verb.
The learning methods and skills of this unit
Imitate the text to practice fluency and expression.
Discuss the text with classmates or teachers to deepen understanding and explore more about safety issues.
Hazard
a situation or condition that may cause harm or injury.
Precaution
a measure taken to prevent harm or injury.
Pronunciation and spelling of vocabulary
Practice
Example sentences
To practice using the present continuous tense, try creating sentences that describe ongoing actions or temporary situations. Use the present tense of the verb "to be" and the -ing form of other verbs to construct sentences that accurately reflect the action being described.

Don’t run down the stairs.
Don’t climb the window ledge.
Don’t play with fire.
climb on the window ledge
run down the stairs
dangeHale Waihona Puke ousBe careful !
play with fire
Don’t swim in the river.
Don’t play with fire.
Don’t climb on the window ledge.
Don't climb.
Be careful
Don‘t climb the tree.
Be careful
Don't play with fire.
亲爱的读者：
春去燕归来，新桃换旧符。在那桃花盛开的地方，在 1、三人行，必有我师。20.7.57.5.202014:4714:47:52Jul-2014:47
2、书是人类进步的阶梯。二〇二〇年七月五日2020年7月5日星期日
这醉人芬芳的季节，愿你生活像春天一样阳光，心情像桃 3、会当凌绝顶，一览众山小。14:477.5.202014:477.5.202014:4714:47:527.5.202014:477.5.2020 4、纸上得来终觉浅，绝知此事要躬行。7.5.20207.5.202014:4714:4714:47:5214:47:52
Be careful. Be careful . Don’t climb on the window ledge.
It’s dangerous.
祈使句的否定形式 Don’t open the window. Don’t play the computer games.

Presentation
Listen and read.
Please play football in the playground.
Practice
Read it by yourselves for one minute .
小组读对话一分钟 。
60
Learning tip :
10
50
当你自己朗读时，遇到不会
读或不明白意思的单词或句
子，可以把它圈起来，请教 20 同学或老师！
40
30
Practice
B. Let ' s write safety rules.
Please wait for safe
play with fire dangerous
Practice
Safety Rules
Homework
Let ' s Sing
Presentation
Listen and read.
Presentation
A. Read and write.
35 689
24 7 10
Presentation
Listen and read.
Please use the sidewalk. It' s safe.
Don' t run down the stairs.
Presentation
Listen and read.
Don' t climb on the window ledge.
Presentation
Listen and read.
The light is green. Please go.
Presentation

Chant
Be careful, be careful.
Don’t run downstairs. Don’t climb the window. Don’t play with fire.
It’s dangerous! It’s dangerous! It’s dangerous!
Be careful, be careful.
stop
Don’t…… please……
stop
please……
Don’t cross the street here.
Don’t walk on the road.
please……
stop
crosswalk
A BBundeFra bibliotekpassA
Climb over the fence
B A
Climb over footbridge
Be careful, be careful.
Read and answer
1、Don’t cross the street here. It’s dangerous.
A、cross
B、walk
2、please Use underpass over there. It's safe.
A、the footbridge
dangerous.
3、Use the footbridge. It’s safe.
Cherish life, safety first!
Stop! Don’t ……
Please use the ……
Sorry, I won’t do that again
Yes, thank you. Goodbye
Safety Rules