當(dāng)前位置：詞匯辨析課堂：since和for
來源:本站原創(chuàng) 點擊率: 發(fā)布: 2014-4-20
營在酷學(xué)酷玩，擺脫英語學(xué)習(xí)的困境。快樂體驗, 你的舞臺!
上�？釋W(xué)酷玩夏令營講解英語語法：since和for的區(qū)別
上海酷學(xué)酷玩夏令營介紹，since 用來說明動作起始時間，for用來說明動作延續(xù)時間長度。
since和for的區(qū)別：
i have lived here for more than twenty years.
i have lived here since i was born..
my aunt has worked in a clinic since 1949.
some new oilfields have been opened up since 1976.
i have known xiao li since she was a little girl.
my brother has been in the youth league for two years.
i have not heard from my uncle for a long time.
注意：并非有for 作為時間狀語的句子都用現(xiàn)在完成時。
i worked here for more than twenty years.
(我現(xiàn)在已不在這里工作。)
i have worked here for many years.
(現(xiàn)在我仍在這里工作。)
上海新東方夏令營提示，小竅門： 當(dāng)現(xiàn)在完成時+一段時間，這一結(jié)構(gòu)中，我們用下面的公式轉(zhuǎn)化，很容易就能排除非延續(xù)動詞在完成時中的誤使。
1) (對) tom has studied russian for three years.
= tom began to study russian three years ago, and is still studying it now.
2) (錯) harry has got married for six years.
= harry began to get married six years ago, and is still getting married now.
顯然，第二句不對，它應(yīng)改為 harry got married six years ago. 或 harry has been married for six years.
閱讀上一篇：聽力口語夏令營口語練習(xí)：問候語
閱讀下一篇：新東方夏令營介紹whether和if的用法
- 上海新東方中學(xué)生詞匯集訓(xùn)營 上海新東方推出的“酷學(xué)酷玩·快樂記單詞詞匯風(fēng)暴營”以科學(xué)的詞匯學(xué)習(xí)法和記憶法為學(xué)員的英語學(xué)習(xí)夯下堅實的基礎(chǔ)。詞匯是基礎(chǔ)，是……
- 上海酷學(xué)酷玩英語提分全能營 口語課：學(xué)英語,就其本質(zhì)來講,是一門實踐課,要學(xué)好英語,就必須在口語會話等方面有所熟練, 能夠流利地用英語進行交談, 聽懂英語。 ……
- “酷學(xué)酷玩”新概念精品夏令營 “新概念精品營”從新概念教材本身出發(fā)，選取精華的篇章、段落進行重點細(xì)致的剖析與講解。亦從聽力、口語、文化等各方面，讓學(xué)員全……
- “酷學(xué)酷玩”申城英語游學(xué)夏令營 暑期相聚上海，走進華東百年名校，感受申城都市魅力；上�？釋W(xué)酷玩為青少年設(shè)計的勵志類戶外體驗式培訓(xùn)活動，幫助學(xué)員方法夢想，在……
- “酷學(xué)酷玩”e計劃聽力口語夏令營 面對林林總總的暑假方案，你是否有“亂花漸欲迷人眼”的感覺？怎樣貼心的安排才能既滿足你愛玩的天性, 又得到潛移默化的熏陶和鍛煉……
酷學(xué)酷玩夏令營熱報線路更多>>最新動態(tài)更多>>