1704964954
910 when—whenever
1704964955
1704964956
when有下列几种用法。
1704964957
1704964958
(1)when可用作疑问副词,表示“什么时候”:
1704964959
1704964960
When did you see her last?你上次是什么时候见到她的?
1704964961
1704964962
So you are going to get married. When is it?这样说你们要结婚了,什么时候结?
1704964963
1704964964
When do you think it can be operated on?你想什么时候可以给它动手术?
1704964965
1704964966
有时可用作介词宾语:
1704964967
1704964968
Since when have you been working here?从什么时候开始你在这儿工作?
1704964969
1704964970
Until when can you stay?你能待到什么时候?
1704964971
1704964972
Till when is the store open?商店开到什么时候?
1704964973
1704964974
When is the contract effective from?合同什么时候开始生效?
1704964975
1704964976
也可用作连接副词,表示同样意思:
1704964977
1704964978
I’d like to know when they’ll let him out.我想知道他们什么时候会放他出来。
1704964979
1704964980
When she’ll be back depends much on the weather.她什么时候回来在很大程度上取决于天气。
1704964981
1704964982
It all depends on when we can get the tickets.这得看我们什么时候能拿到机票。
1704964983
1704964984
有时可引导一个不定式短语:
1704964985
1704964986
Ask him when to open it.问他什么时候把它打开。
1704964987
1704964988
You’ll learn when to use that construction.你会知道什么时候使用这种结构。
1704964989
1704964990
(2) when可用作连词,表示“当……时”:
1704964991
1704964992
Don’t get excited when you talk.谈话时别激动。
1704964993
1704964994
I will discuss this with you when we meet.我们见面时再谈这事。
1704964995
1704964996
When he got up he felt dizzy.他起床时感到头晕。
1704964997
1704964998
Herbert was having dinner when I saw him.我看到赫伯特时他正在吃晚饭。
1704964999
1704965000
When he looked back, the girl had vanished.他回头望时那姑娘已经不见了。
1704965001
1704965002
从句中有些成分有时可以省略:
[
上一页 ]
[ :1.704964953e+09 ]
[
下一页 ]