英语作文主题:说一说Mike正在做什么,Chen Jie上星期做什么,Zhang Peng和John下个星期将会干

Mike is doing his homework .
Chen Jie went to the park last week.
Zhang Peng and John will finish the work next week.

正在做某事.就是:be(am is are)+(动词的现在分词,就是在动词后面+ing)doing sth.example:He is playing football.I am singing.They are dancing.Mike 就是换个主语而已.自己造吧,上星期就是一般过去式：主语+动词过...