一般现在时 I do 现在进行时 I'm doing 现在完成时 I have done 现在完成进行时 I have been doing 一般过去时 I did 过去进行时 I was doing 过去完成时 I had done 过去完成进行时 I had been doing 一般将来时 I will do 将来进行时 I will be doing 将来完成时 I will have done 将来完成进行时 I will have been doing 过去将来时 I would do 过去将来进行时 I would be doing 过去将来完成时 I would have done 过去将来完成进行时 I would have been doing