英语的时态有几种？有哪些区分的小技巧？

10-22 18:11 英语时态共有16种，按如下矩阵，很容易区分。

可见，时态是时和态的组合。时有四种：过去现在将来过去将来（在过去说将来事）态也有四种：一般进行完成完成进行（着重于持续）区分时态看动词的形式。一般现在时表示惯常的，习惯性的动作，真理。结构：动词原形信号词：everyday, sometimes, always, often, usually, seldom, never等I work everyday.I never work.一般过去时表示过去发生的动作。结构：过去式信号词：ago, yesterday, at on in 过去的时间I worked yesterday.I worked last week.一般将来时表示将来发生的动作。结构：will+动词原形，be going to+动词原形信号词：将来的时间比如 tomorrow, soon, the next day/week/month/year....I will work the next year.I am going to visit Shanghai tomorrow.现在进行时表示现在正在发生的动作。结构：be+动词ing信号词：now, at the momentI am working now.They are playing basketball.现在完成时过去发生的现在已经完成的动作对现在的影响。结构：have/has+过去分词信号词：just, yet, already, ever等I have worked for 3 days.The project has already been finished. 工程已经完成了。过去完成时过去的过去发生的动作对过去的影响。结构：had+过去分词信号词：by +过去的时间I had worked for 3 days by 8 o'clock this morning. 到今天早晨8点，我已经工作三天了。The project finished yesterday. I had had a good time with you guys. 工程昨天就结束了，这期间我和你们度过了快乐的时光。一般过去将来时从过去看将来发生的动作。结构：was/were going to, would+动词原形，were+动词不定式He was six. In two years，she would be eight. 他那时6岁，两年后，他就8岁了。She told me she would go with me. 她那时告诉我他将会跟我走。现在完成进行时发生于过去的动作，对现在有影响，并且现在还在持续。结构： have/has been 动词ingI have been working for 3 hours. 我已经工作3个小时了（并且现在还在工作呢）。I have been playing piano since I was 8 years old. 自8岁以来，我一直在练钢琴。