don't be late for class这句话为什么对呢?怎么be动词和助动词do同时出现了.isn't（arn't） late forclass对吗?不是有be late for这个短语吗?把be换成相应形式就行了.

Don't ____(be)late for school Don't be late for school a( ) 句型：Don't be late for school 是：Don't be late for school.还是：Don't late for school? Don't be late Don't be late. Don't be late for scholl 改同义句Don't be late()()to school ----------late for class.A Don't B Oon't be don t be late for school 的同义句don t -----late-------school I don't want to______school.A.be late to B.be late for C.late to D.late for 为什么? Don't be late for school,Micher.的意思? 连词成句:late school be don`t for tomorrow 改为同义句：Don't be late for class please don't be late for h____ classes. Don't be late for the meeting again.翻译 Don't be late for class.Try __(is)early. don't be late for school.you should be________. Teachers don't like us ----（be) late for school. Well,don't be late for class.句子结构