1)现在时: I do you do he/she/it does we/you/they do 2)现在时: I am doing you are doing he/she/it is doing we/you/they are doing 3)将来时: (所有主语)will do 4) 过去时: (所有主语)did 5)现在完成时: I have done you have done he/she/it has done we/you/they have done 以上是基本时态,复杂的时态变化在do/doing/done前面的动词.
