精选优质文档-倾情为你奉上LESSON EIGHT四种完成时态课堂练习 (请同学们暂停，先做练习,再听课，这一点非常重要。)口头作业：要求：任意变肯定及否定不错，时态不错，不结巴！ 主系表现在： You are rich. 过去： You were rich.将来： You will be rich.过去将来：You would be rich.There be现在：There is a book on the desk .过去：There was a book on the desk.将来：There will be a book on the desk.过去将来：There would be a book on the desk.主谓宾状现在： You study English in the school.过去时： You studied English in the school.将来时: You will study English in the sc
