怎么把下列英语句子改成祈使句

You can't sit here.
2,You can't walk on the grass.

第1个回答  2010-01-27
Don't sit here.

祈使句就是一动词原形开头的句子

表否定的话,直接在句首加相应的否定词本回答被提问者采纳
第2个回答  2010-01-27
please don't sit here
第3个回答  2010-01-27
Don't sit here.
第4个回答  2010-01-27
Don't sit here, please.