Keep off the grass.Keeping off the grass.这两个句子是否都对?
问题描述：
Keep off the grass.Keeping off the grass.这两个句子是否都对?
答
如果作为短语的话,两个都对.
如果作为句子的话,Keep off the grass.是正确的,因为它是一个祈使句.keeping off the grass不能单独作为句子.