What is she doing.到底在问什么?到底是进行时还是be doing表将来?
将来时有BE DOING么?be going to do和BE DOING是算在现在进行时表将来?
be doing (现在进行时表将来)和be going to do有什么区别
一般将来进行时是will be doing,will是表示时间还是表示推测,后面be的作用是什么?
what is she doing?
What are you doing for vacation 是将来进行时吗?还是过去进行时?还是现在进行时?还是一般
到底是do youknow what are you doing还是do you know what you are d
What would we be doing?这里是过去将来时态吗?would算什么?
be doing句式是用于现在进行时还是一般将来时
what is she doing?she ( )be watching TV at home
will+be+doing是将来进行时,was about to是什么时态?
What is she doing? What she is doing? 曲别?
be to do和be doing在表将来的时候用法有什么区别?