第二阶第十一周打卡1祈使句

第二阶第十一周打卡1祈使句
<肯定结构>
do型（ 动词原形+宾语+其他成分）
①Go and wash your hands.命令
②Open the window， please.
③ Watch your steps.警告
④ Look out! Danger.强烈警告
be型
⑤ Be a good boy!劝告
⑥ Be quick!/ Be quiet,please.请求
let型
⑦ Let's go./ Let us go to see your grandma.
⑧ Let me help you.
<否定结构>
do型
①Don't close the door, please.
be型
② Don't be late for school.
let型有两种结构
③ Don't let her go out.
④ Let her not go out.
no型
⑤ No smoking.禁止
⑥ No fishing.