常见的八种英语时态详解时态(Tense)是表示行为、动作和状态在各种时间条件下的动词形式。因此,当我们说时态结构的时候,指的是相应时态下的动词形式。 英语时态分为16种一般时态进行时态完成时态完成进行时态现在do/does Am/is/are doingHave/has doneHave/has been doing过去didWas/were doingHad doneHad been doing将来Shall/will doShall/will be doing Shall/will have doneShall/will have been doing过去将来Should/would doShould/would doingShould/would have doneShould/wouldhave been doing 1. 一般现在时 基本结构:be动词am/is/are; 行为动词原形或单数第三人称。 否定形式: am is