Will be doing很容易和其他進行時混淆。讓我們來區(qū)分一下吧：

Compare will be -ing with other continuous forms.
will be doing與其他進行時的比較

（1）

At 10 o'clock yesterday, Sally was in her office. She was working.(past)
昨天的10點，薩里在她辦公室里工作著。（過去進行時）

It's 10 o'clock now. She is in her office. She is working. (present)
現(xiàn)在是10點，薩里在她辦公室里工作著。（一般進行時）

At 10 o'clock tomorrow; she will be in her office. She will be working.
明天10點，薩里會在她辦公室里工作著。（將來進行時）

（2）

We use will be doing in a different way: to talk about complete actions in the future.
我們會用will be doing來談?wù)撐磥淼耐暾麆幼鳌?/div>

A: If you see Sally, can you ask her to phone me?
A：如果你見到了薩里，能告訴她讓她打電話給我嗎？

B: Sure. I'll be seeing her this evening, so I'll tell her then.
B：當(dāng)然，我今晚會見到她，到時候會告訴她的。

What time will your friends be arriving tomorrow?
你朋友明天什么時候來？

In these examples will be -ing is similar to the present continuous for the future.
這些例子里will be doing和現(xiàn)在進行時非常相似。

You can use Will you be -ing...? To ask about somebody's plans, especially if you want something or want them to do something.
你能使用will you be doing…?來詢問某人的計劃，尤其是當(dāng)你想要或想讓別人做些什么的時候。

For example:
舉個例子：

1、

A: Will you be passing the post office when you're out?
A：你出門的時候會路過郵局嗎？

B: Probably. Why?
可能，怎么了？

A: I need some stamps. Could you get me some?
我需要一些郵票。你能幫我?guī)c嗎？

2、

A: Will you be using your bicycle this evening?
A：今晚你會用自行車嗎？

B: No. Do you want to borrow it?
不會。你想借？

本篇的辨析到這里就結(jié)束了，各位明白了嗎？