小学英语陕旅版四年级下册Unit 7 Be Careful!授课课件ppt

这是一份小学英语陕旅版四年级下册Unit 7 Be Careful!授课课件ppt，文件包含PartApptx、rightwav、55wmv、54wmv、waitwav、turnrightwav、turnleftwav、trafficwav、trafficlightswav、trafficlightwav、streetwav、stopwav、nowwav、1wav、leftwav、crosswav、crossthestreetwav、carefulwav、canwav、6wav、55wav、5wav、4wav、3wav、2wav、Trafficlightsmp4等26份课件配套教学资源，其中PPT共33页， 欢迎下载使用。
What are these? They’re ____________.
traffic lights
traffic lights
What d the traffic lights mean?
Clr the traffic lights
turn left
What ther traffic signs d yu knw?
When yu are crssing the street, yu shuld be careful.
crss the street
The light is green. We can g nw.
Let’s learn
turn right
Watch and fill
Circle the signs yu knw
Watch and answer
1. Where are they ging?
2. What are they ging t d?
3. What clr is the light in the situatin 1?
4. What clr is the light in the situatin 2?
They are ging t the shp.
They are ging t buy a gift.
It’s yellw.
It’s green.
Let’s g t the shp. I’m ging t buy a gift fr yur grandpa.
Be careful! Lk at the traffic lights. It’s yellw. Dn’t crss the street. Stp and wait.
The traffic light is yellw.
The light is green.
What shuld they d when crssing the street?
They shuldn’t crss the street. Stp and wait.
They can g nw.
Watch, read and act
Read in grups.Read tgether.Read in rles.Act it ut.
表示警告和提醒的祈使句，一般祈使句的肯定句通常用动词原形开头。 careful是形容词，“小心的；当心的；仔细的”，必须用be动词。例：小心不要打破鸡蛋。 Be careful nt t break the eggs.
Language pints
1. Be careful! 小心！
拓展：be careful f 意为“对……要小心”
例：小心你的健康。 ______________ yur healthy.
Be careful f
2. All right. 好的。 all right用于赞同别人的意见或建议，意为“好； 行；可以”。
Let’s g ut fr a walk.
拓展：all right还用来问候某人或回答别人的问候， 意思为“很好”。

Yes, thanks. 
Are yu all right?
情态动词can意思为“能；会”，表示能力（体力、知识、技能），没有人称和数的变化，后面直接接动词原形。
I can speak English.
I can draw.
3. We can g nw. 我们现在可以通过了。
careful stp wait right lefttraffic crss can nwturn right turn lefttraffic lights crss the street
1. Be careful!2. Lk at the traffic lights.3. Dn’t crss the street.4. All right.5. The light is green.6. We can g nw.
1. Let’s g _____ the shp.2. I’m ging t buy a gift _____ my grandpa.3. There are sme birds _____ the tree.4. Lk _____ the traffic lights.5. He is listening _____ music.