<em id="0a85b"><option id="0a85b"></option></em>

<abbr id="0a85b"></abbr>

      <nobr id="0a85b"></nobr>
        <tr id="0a85b"></tr>
        9久久伊人精品综合,亚洲一区精品视频在线,成 人免费va视频,国产一区二区三区黄网,99国产精品永久免费视频,亚洲毛片多多影院,精品久久久无码人妻中文字幕,无码国产欧美一区二区三区不卡
        學(xué)習(xí)啦 > 學(xué)習(xí)英語(yǔ) > 英語(yǔ)知識(shí)大全 > 有關(guān)while的幾種用法

        有關(guān)while的幾種用法

        時(shí)間: 焯杰674 分享

        有關(guān)while的幾種用法

          While這個(gè)是英語(yǔ)學(xué)習(xí)中經(jīng)常會(huì)遇到的,相信大家應(yīng)該都不陌生,那么你清楚它的用法嗎?下面學(xué)習(xí)啦小編為大家總結(jié)while的幾種常見(jiàn)的用法,歡迎大家一起學(xué)習(xí)。

          while的用法:作并列連詞用,意思為“而,然而”,表對(duì)比

          but表轉(zhuǎn)折.注意用心比較體會(huì)while與but的句中用意

          1.Some people waste food while others haven't enough.

          有些人很費(fèi)糧食,然而有些人卻吃不飽.

          2.The son was having a good meal at home,while the parents were working in the fields.

          兒子在家吃好飯而父母卻在田里辛勤勞作.

          3.I ought to have helped her,but I never could.

          我本該幫她但沒(méi)能.

          4.Honey is sweet,but the bee stings.

          蜂蜜很甜,但蜜蜂有刺蜇人.

          while的用法:作連詞,引導(dǎo)時(shí)間狀語(yǔ)

          1.We must strike while the iron is hot.趁熱打鐵.

          2.While she was listening to the radio,she fell asleep.

          她聽(tīng)著收音機(jī)睡著了.

          (2)引起讓步狀語(yǔ)從句,意思是“雖然…但是….”、“盡管…但是…”(多放于句首)1.While he loves his students,he is very strict with them..

          雖然他愛(ài)他的學(xué)生,可是他對(duì)他們很嚴(yán)格.

          2.While these experiments are interesting and useful,it is important to remember that they may not always tell us much.(BookIIIp125)

          雖然這些實(shí)驗(yàn)很有趣也有用,但是很重要的是要記住,這些實(shí)驗(yàn)也可能不會(huì)告訴你很多.

          (3)引起條件狀語(yǔ),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.

          while的用法:作名詞用,表示“一會(huì)兒”“一段時(shí)間”

          1.She likes to lie down for a while after lunch.

          她喜歡午飯后躺一會(huì)兒.

          2.Coming to another country to study requires a big adjustment and it takes a while to fit in.

          來(lái)到另一個(gè)國(guó)家求學(xué),需要花一段時(shí)間來(lái)適應(yīng).

          四.while,when,as的用法區(qū)別

          都譯為“當(dāng)…的時(shí)候”,區(qū)別為:when后的從句謂語(yǔ)動(dòng)詞既可是延續(xù)性動(dòng)詞,也可是短暫性動(dòng)詞,而且還可作并列連詞,譯為“這時(shí)”.但以下句型一定用when,作并列連詞:

          句型A:was/were doing…when…正在…這時(shí)(發(fā)生另一事)

          句型B:be about to do…when…正要做…這時(shí)(發(fā)生另一事)

          句型C:had done…when…剛要做…這時(shí)(發(fā)生另一事)

          1.We were about to set out when it began to rain.

          我們剛要出發(fā)天突然下雨了.

          2.I was walking along the bank of the river when I fell into it.

          我正沿河岸散步突然掉進(jìn)水里.

          3.He had hardly sat down when his mobile rang.

          他剛一坐下手機(jī)就響了.

          while后的從句謂語(yǔ)動(dòng)詞只能是延續(xù)性動(dòng)詞,強(qiáng)調(diào)主從句的兩個(gè)動(dòng)詞同時(shí)發(fā)生;while也可作并列連詞,表示兩個(gè)動(dòng)作的對(duì)比,譯為“而”“然而”.as則表示兩個(gè)變化中的動(dòng)作的同時(shí)性,譯為“一邊…一邊…”.

          1.While his mother was cooking in the kitchen,the boy fell asleep in the chair.

          (在一個(gè)延續(xù)動(dòng)作過(guò)程中發(fā)生另一個(gè)動(dòng)作)

          2.He hurried home,looking behind as he went.

          他匆匆回家,邊走邊往后看.


        猜你喜歡:

        1.While的用法歸納

        2.while的用法和例句

        3.c中while的用法

        4.c語(yǔ)言里while的用法

        5.keep的常見(jiàn)用法

        6.c語(yǔ)言中do while的用法

        366092 主站蜘蛛池模板: xxxxbbbb欧美残疾人| 无码日韩做暖暖大全免费不卡| 久久精品国产自清天天线| 亚洲an日韩专区在线| 国产日产欧产精品精品| 亚洲国产精品VA在线看黑人| 日本福利一区二区精品| 久久天天躁夜夜躁狠狠85| 一面膜上边一面膜下边视频| 亚欧美日韩香蕉在线播放视频| 国产公开久久人人97超碰| 亚洲精品日韩精品久久| 亚洲熟少妇一区二区三区| 国产精品一区二区三区激情| 国产人成亚洲第一网站在线播放| 亚洲国产初高中生女av| 亚洲熟妇自偷自拍另类| 亚洲女人αV天堂在线| 成人免费乱码大片a毛片| 日本精品一区二区在线看| 国产精品中出一区二区三区| 东京热无码国产精品| 久久精品女人天堂av免费观看| 在线观看国产区亚洲一区| 国产精品美女一区二区三| 国产亚洲美女精品久久久| 国内精品久久久久电影院| 久久精品夜色噜噜亚洲aa| 麻豆成人传媒一区二区| 一本无码在线观看| 3d无码纯肉动漫在线观看| 精品日韩人妻中文字幕| 美丽的姑娘在线观看免费| 亚洲国产精品一二三四区| 7777精品伊人久久久大香线蕉| 国产精品一二二区视在线| 精品久久久久久无码不卡| 国产精品青草久久久久福利99| 67194亚洲无码| 国产国拍精品av在线观看| 性饥渴少妇AV无码毛片|