完成时的动词是不能还原的,不管是肯定,否定还是疑问.
一般过去时否定和疑问要还原的
They haven’t finished their work
2个回答
相关问题
-
They haven't finished their work .maybe they have some troub
-
— They haven't finished the work up to now .
-
Why haven't they finished this work yet?They are supposed __
-
___,they finished their work
-
all the students haven't finished their homework..
-
they have finished their work last night改错
-
They have already finished their work.(改为一般疑问句)
-
They didn’t go to bed ________ they finished their homework.
-
They haven't finished yet.Where should We put these presents
-
they will finish their work in five days 对fivedays提问