You shouldn't walk on the grass.（改为否定祈使句）
问题描述：
You shouldn't walk on the grass.（改为否定祈使句）
答
Don’t walk on the grass.
答
Don't walk on the grass.
其实这跟原句都有祈使语气，只不过用don't的语气更强烈。
答
否定祈使句就是由助动词don't+ 动词短语构成。以下的答案都对。
答
Don't walk on the grass
答
Please don't walk on the grass. 否定祈使句