精选优质文档-倾情为你奉上初中英语时态归纳复习之3.现在进行时3现在进行时: 概念:表示现阶段或说话时正在进行的动作及行为。 标志性时间状语:now, at this time, these days, look, listen etc. 基本结构:主语+ am/ is / are + V-ing V-ing的构成:一般,加“ing” 如:watch-watching ;play-playing以不发音e 结尾的,去e加“ing” 如:have-having;make-making; give-giving重读闭音节,末尾只有辅音,则双写再加“-ing”如: Get-getting, put-putting; sit-sitting; plan-planning如:My teacher is writing on the blackboard. They arent playing basketball now. Is your mother cooking now? Yes, she is; No