我用牛津大辞典里面最标准的知识回答你,因为需要的就是标准的书面符号。while表示转折的时候,和汉语中的“然而”是一个意思,是在一个句子内的,作为连词。used to show a contrast,例句I like drinking black coffee while she prefers it with cream,中间是不需要符号的。在做“虽然”这个意思用这个词的时候,一般放在句首(让步状语从句),句中用逗号。
while表转折句后是不是不能加but
不用加but。
如果while表转折的话,同一个句子中不能出现两个意思相近的连词(比如说though,but不能同在一个句中)。
While作并列连词用,意思为“而,然而”,表对比。
而but表转折。
例句:1.Some people waste food while others haven't enough. 有些人很费粮食,然而有些人却吃不饱。
2.The son was having a good meal at home,while the parents were working in the fields. 儿子在家吃好饭而父母却在田里辛勤劳作。
3.I ought to have helped her,but I never could.我本该帮她但没能。
4.Honey is sweet,but the bee stings. 蜂蜜很甜,但蜜蜂有刺蜇人。
while在句首能表转折吗,举几个例子
楼上,can 后面怎么加成doing了!!表误人子弟……The soles are leather, while the uppers are canvas.鞋跟是皮的,而鞋面是帆布的While he loves his students, he is very strict with them.虽然他爱他的学生, 可是他对他们很严格。
本句中while 是表示转折关系吗?我感觉有些翻译不通,如何译呢?
在这里,根据语境,while没有转折的意思,应该翻译成同时。
当系统用户忘记密码时,提供新的密码会带来额外的消耗;同时如果用户们被迫频繁更换密码的话,他们往往会将其写下来,这样会使系统更加不安全。
making systems even less secure是现在分词短语做伴随状语。
while到底是并列关系的并列连词还是转折
while后的句子谓语动词并不一定是ing形式,具体需要根据上下文和时态来定,while后的句子时态可以是一般现在时,也可以是过去时态、进行时态等。
while的具体用法如下:1、“当……时候”, 引导时间状语从句(从句动作必须是延续性的)。
Please don't talk so loud while others are working. While I was cleaning the window,my finger was seriously cut.2、“虽然,尽管”相当于although,引导让步状语从句(常把while放在句首)。
While she is a top student, she has some shortcomings. While the Internet is bridging the distance between people, it may also be breaking some home or will cause other family problems.3、“只要,如果”等于as long as,引导条件状语从句。
There is hope while there is life. While you study hard, your effort will pay off.扩展资料:1、 He was lost in the con-templation of the landscape for a while.有一会儿,他怔怔地注视着周围的景物。
2、He rented out his house while he worked abroad.他在国外工作期间把自己的房子租了出去。
3、 An airliner came close to disaster while approaching Heathrow Airport.一架大型客机在飞近希思罗机场时差点儿发生空难。
4、While this conver-sation was going on, I was listening with earnest attention.这场对话进行的时候,我聚精会神地听着。
5、He was caught out while lapping a slower rider.他在套圈超越一位落后的车手时出了错。
6、Barry held the bowls while Liz ladled soup into them.巴里负责端着碗,由利兹向碗里盛汤。
7、Sailors hung about while they waited to ship out.水手们在等待离港的时候四处闲逛。
8、We sat in Lily's sunroom while I sketched in the situation.我们坐在莉莉的日光浴室里,我把目前形势的细节情况又补充说明了一下。
老师,请问while后面要接什么词?可以在词前加上we吗?
一、while作名词用,表示“一会儿”“一段时间”1.She likes to lie down for a while after lunch.她喜欢午饭后躺一会儿。
2.Coming to another country to study requires a big adjustment and it takes a while to fit in.来到另一个国家求学,需要花一段时间来适应。
二、While作连词(1)引导时间状语1.We must strike while the iron is hot.趁热打铁。
2.While she was listening to the radio,she fell asleep.她听着收音机睡着了。
(2)引起让步状语从句,意思是“虽然…但是….”、“尽管…但是…”(多放于句首)1.While he loves his students,he is very strict with them..虽然他爱他的学生,可是他对他们很严格。
2.While these experiments are interesting and useful,it is important to remember that they may not always tell us much.(BookIIIp125) 虽然这些实验很有趣也有用,但是很重要的是要记住,这些实验也可能不会告诉你很多。
(3)引起条件状语,意思是“只要”1.While there is life there is hope.只要生命存在,就有希望。
2.While there is a way there is away.有志者事竟成。
三、While作并列连词用,意思为“而,然而”,表对比。
而but表转折。
注意用心比较体会while与but的句中用意1.Some people waste food while others haven't enough.有些人很费粮食,然而有些人却吃不饱。
2.The son was having a good meal at home,while the parents were working in the fields.儿子在家吃好饭而父母却在田里辛勤劳作。
3.I ought to have helped her,but I never could.我本该帮她但没能。
4.Honey is sweet,but the bee stings.蜂蜜很甜,但蜜蜂有刺蜇人。
四.while,when,as的用法区别 都译为“当…的时候”,区别为:when后的从句谓语动词既可是延续性动词,也可是短暂性动词,而且还可作并列连词,译为“这时”。
但以下句型一定用when,作并列连词:句型A:be about to do…when…正要做…这时(发生另一事) 句型B:was/were doing…when…正在…这时(发生另一事) 句型C:had done…when…刚要做…这时(发生另一事)1.We were about to set out when it began to rain.我们刚要出发天突然下雨了。
2.He had hardly sat down when his mobile rang.他刚一坐下手机就响了。
3.I was walking along the bank of the river when I fell into it.我正沿河岸散步突然掉进水里。
while后的从句谓语动词只能是延续性动词,强调主从句的两个动词同时发生;while也可作并列连词,表示两个动作的对比,译为“而”“然而”。
as则表示两个变化中的动作的同时性,译为“一边…一边…”。
1.While his mother was cooking in the kitchen,the boy fell asleep in the chair.(在一个延续动作过程中发生另一个动作)2.He hurried home,looking behind as he went.他匆匆回家,边走边往后看。
while后是不是只能跟句子?
(一)when既可表示某一点时间,也可以表示某一段时间 .在when引导的时间状语从句中,其谓语动词可以是延续性的,也可以是非延续性的,可与主句中的谓语动词同时发生,也可在其后发生. 例如: 1、I was just reading a book when she came into my room.她走进我房间时,我正在看书. 2、Were you writing when the teacher came in?老师进来的时候,你在写信吗? 3、When he was a child he was always trying out new ideas.他小时候就常常试验一些新的设想. (二)、while只能表示某一段时间,不能表示某一点时间.在while引导的时间状语从句中,其谓语动词只能是延续性的,而且也只能与主句中的谓语动词同时发生或存在. 例如: 1、While Jim was mending his bike,Lin Tao came to see him.正当吉姆修自行车时,林涛来看他. 2、You can't do your homework while you're watching TV.你不能一边看电视一边做家庭作业. (三)when和while的区别还在于:while引导的时间状语从句多用进行时态,而when引导的时间状语从句多用一般时态. 例如: 1、While they were talking ,the bell rang.正在他们谈话的时候,上课铃响了. 2、I was doing my homework when my mother came back home yesterday evening.昨天晚上妈妈回家的时候,我正在做家庭作 扩展资料: 1、若主句表示的是一个短暂性的动作,而从句表示的是一个持续性动作时,两者都可用。
如: He fell asleep when [while] he was reading. 他看书时睡着了。
I met him when [while] I was taking a walk in the park. 我在公园散步时遇到了他。
2、若主、从句表示两个同时进行的持续性动作,且强调主句表示的动作延续到从句所指的整个时间,通常要用 while。
如: Don't talk while you're eating. 吃饭时不要说话。
I kept silent while he was writing. 在他写的时候,我默不作声。
3、若从句是一个短暂性动作,而主句是一个持续性动作,可以 when 但不用 while。
如: When he came in, I was listening to the radio. 他进来时,我在听收音机。
It was raining hard when we arrived. 我们到达时正下着大雨。
4、若主、从句表示的是两个同时(或几乎同时)发生的短暂性动作,一般要用 when。
如: I thought of it just when you opened your mouth. 就在你要说的时候,我也想到了。
至于什么是短暂性动作,什么是持续性动作,其实有个很简单的规律。
就是如果是进行时态,一般是持续性的。
如果是过去式,一般是短暂性动作。
对于,填写when还是while的问题,通常首先看主句和从句中的时态,再根据以上4个规律来判断填写那个单词。
转载请注明出处句子大全网 » while表转折的范围