英语句子,求高手解答,给分哦!swim in the river.(否定句）      2.he comes to sc

1 Don't swim in the river.
2.Does he come to school early?
3.Don't be there at sixo'clock.
4.We should obey all kinds of rules .
5.Please ask question activily.
6.Don't do it like this,please
7.Don't be late for class.
8.Don't do you homework now?
9.Mike's sister always watches TV late .
10.Don't pick the flowers.
11.Can you do it?
12.please don't put the little there.
13.Do you have any rules in your home?
14.school doesn't begin at nine.
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1. don't swim in the river

2. does he come to school early

3. be not there at sixo'clock

4. we should ...