...过去时那些,然后这些时态怎么运用在句子中,请写点eg,谢谢答:2.时间状语:yet,already,just,never,ever,so far,by now,since+时间点,for+时间段,recently, lately, in the past few years, etc. 3.基本结构:主语+have/has +p.p(过去分词)+其它 4.否定形式:主语+have/has + not +p.p(过去分词)+其它 5.一般疑问句:have或has放句首。 6.例句:I've written ...
Ihavefuninplayingfootballfor3month用什么时态答:有时也用现在完成时)表示将来事情时间状语:always,usually,often,sometimes,everyweek(day,year,month?),onceaweek,onSundays,etc.基本结构:①be动词;②行为动词否定形式:①am/is/are+not;②此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,...