(共22张PPT)
Lesson 4
Don't play football on the street.
第1课时
sharp eyes
Enjoy
Can the boy swim here
Can the girl run there
Can the boy swim here
Can the girl run there
Don't run here.
Don't swim here.
标志，标记
sign
Don't play football on the street.
Use the sidewalk, please.
Don't climb over the fence.
Play football on the playground.
Wait a minute. It's red light now.
Use the crosswalk, please.
不要在街道上踢足球。
请使用人行道。
不要攀爬护栏。
在操场踢足球。
等一分钟。现在是红灯。
请使用人行横道。
Policeman: Don't play football on the street. Play on the playground, please.
不要在街上踢足球。请在操场上玩。
Boy: OK.
好的。
Pliceman: Don't climb over the fence.
Use the crosswalk, please.
不要翻越护栏。
Boy: All right. thank you.
请走人行横道。
好的。谢谢你。
Ann: Don't run on the street.
不要在街上跑。请走人行横道。
Boy: OK.
Use the sidewalk please.
好的。
Sally: wait a minute. It's red
light now.
Peter: OK.
等一会儿。现在是红灯。
好的。
_________over the fence
fly
jump
climb
Wait a ________. It's _____light now.
minute
red
等一会儿。现在是红灯。
1.We can play football on the street.
2.Don't use the sidewalk.
3.Don't climb over the fence.
4.Wait a minute.It's green light now.
Check
祈使句通常以动词原形开头。
Play on the playground.
Use the crosswalk,please.
Use the sidewalk,please.
Wait a minute.
Come in.
祈使句的否定形式只须在句首加don't 。
Don't play football on the street.
Don't climb over the fence.
Don't run on the street.
Don't go out.
找规律
祈使句（Imperative Sentence）
定义用于表达命令、请求、劝告、警告、禁止等的句子叫做祈使句，祈使句最常用于表达命令，因此在学校文法中也常称为命令句。
祈使句因对象（即主语）是第二人称，所以通常都省略。祈使句的动词都为一般现在时，句末则使用句号来表示结束。
Feel the sentence.
Don't_________________.
read on the street
Read
______ in the library,please.
Don't______on the street.
______ on the playground,please.
play
Play
Don't______on the street.
______ on the playground,please.
run
Run
