1.表示将来某一时间正在进行的动作,一般带状语。
例:I'll be doing homework this time tomorrow.
2.表示现在正在进行的动作,但这个动作会延续到将来。
例:I wonder if it will still be raining this afternoon.
3.表示预定的将来动作或对将来的预测,并非人为安排.
Tomorrow I will be flying to Shanghai.
4.表示委婉的请求
Shall we be using your bicycle this evening?
5.表示原因
Don't phone me between 8:00 and 10:00. We'll be having classes then.
6.表示结果
He'll be studying at school next year.
7.表示对将来的打算(区别于对将来的预测)
My duties will be ending in July , and I'll be returning to Beijing.
1.现在进行时:表示在说话时或现阶段正在发生的动作或存在的状态
She is preparing her lessons now. 她现在正在预习功课.
They are playing basketball now. 他们正在打篮球
2.过去进行时:示过去某段时间或某一时刻正在发生或进行的行为或动作
I was playing Basketball this time yesterday.昨天这个时候我正在打篮球
I was playing Basketball this time yesterday.昨天这个时候我正在打篮球
3.现在完成进行时:表示从过去某一时间开始一直延续到的动作。这一动作可能刚刚开始,也可能仍在继续,并可能延续到将来
How long have you been reading this book?这本书你读了多久了?