1704924393
145 be (as an auxiliary verb)
1704924394
1704924395
be可用作助动词，用来构成：
1704924396
1704924397
进行时态或进行形式：
1704924398
1704924399
You are making great progress．你进步很大。
1704924400
1704924401
Who is calling？谁来电话？
1704924402
1704924403
Where was he (were they) sitting？他（们）坐哪儿？
1704924404
1704924405
How long have you been studying the problem？这问题你研究多久了？
1704924406
1704924407
We’ll be expecting you．我们会等你的。
1704924408
1704924409
She may (must) be waiting for us．她可能（准是）在等我们。
1704924410
1704924411
You’re supposed to be working．你现在应当在工作。
1704924412
1704924413
被动语态或被动形式：
1704924414
1704924415
The class was conducted in English．课是用英语上的。
1704924416
1704924417
More high-rise buildings are being put up．许多高层大楼正在修建。
1704924418
1704924419
How many guests have been invited？邀请了多少客人？
1704924420
1704924421
The road is being repaired．路正在修理。
1704924422
1704924423
Will it be translated into English？它会译成英语吗？
1704924424
1704924425
You might be asked to speak at the meeting．可能请你在会上发言。
1704924426
1704924427
It’s said to have been built in the Ming dynasty．据说它是明朝修建的。
1704924428
1704924429
There is nothing to be done now．现在没有办法了。
1704924430
1704924432
146 be (as a link verb)
1704924433
1704924434
作系动词时，后面可跟各种成分和结构：
1704924435
1704924436
跟形容词：
1704924437
1704924438
We are very happy．我们很幸福。
1704924439
1704924440
You must be careful．你必须小心。
1704924441
[
上一页 ]
[ :1.704924392e+09 ]
[
下一页 ]