六年级四种时态练习(共9页).doc

精选优质文档-倾情为你奉上 现在进行时 现在进行时：表示现在进行的动作, 句子结构：be+动词ing,时间状语：now,look,listen，Itsoclock,一、写出下列单词的现在分词形式think sleep study speak say wake make come take leave have dance write stop sit run begin, cut, get, stop swim fit, 二、按要求改写句子1. The boy is playing basketball.否定句：_一般疑问句：_ 肯定回答：_ 否定回答：_ 2. They are singing in the classroom.