| 一般 | 进行 | 完成 |
现在
be/work | 一般现在时态
be(is,am,are)
work(works) | 现在进行时态
is(am,are)having
is(am,are)working | 现在完成时态
have(has)been
have(has)worked |
过去
be /work | 一般过去时态
be(was,were)
worked | 过去进行时态
was(were)working | 过去完成时态
had been
had worked |
将来
be /work | 一般将来时态
will(shall)be
will(shall)work | | |
过去将来
be /work | 一般过去将来时态
would be
would work | | |