英语时态可以分为描述在过去的,一般过去时(did)过去完成时(had done),过去进行时(was doing)描述在现在的,一般现在时(do does),现在进行时(am are is doing),现在完成时(has have done),现在完成进行时(has have been doing)描述在将来的,一般将来时(will do),过去将来时(was doing to do)