精心整理英语中的十六种时态一般时态进行时态完成时态完成进行时态现在do/doesam/is/aredoinghave/hasdonehave/hasbeendoing过去didwas/weredoinghaddonehadbeendoing将来shall/willdoshall/willbedoingshall/willhavedoneshall/willhavebeendoing过去将来should/woulddoshould/wouldbedoingshould/wouldhavedoneshould/wouldhavebeendoing一、一般现在时1.概念:表示经常发生的情况;有规律出现的情况;总是发生的;和事实真理2.时间状语:always,usually,often,sometimes,everyweek(day,year,month),onceaweek(day,year,month),onSundays(onMondays),3.基本结构:动词原
