小學(xué)六年級(jí)英語(yǔ)語(yǔ)法講解之比較since和for

　　英語(yǔ)的應(yīng)用越來(lái)越廣泛了，我們必須好好來(lái)學(xué)習(xí)英語(yǔ)知識(shí)。對(duì)此小學(xué)頻道編輯為大家整理了小學(xué)六年級(jí)英語(yǔ)語(yǔ)法講解：比較since和for。詳情如下：

　　Since用來(lái)說(shuō)明動(dòng)作起始時(shí)間，for用來(lái)說(shuō)明動(dòng)作延續(xù)時(shí)間長(zhǎng)度。

　　I have lived here for more than twenty years.

　　I have lived here since I was born.

　　My aunt has worked in aclinic since 1949.

　　Some new oil fields have beeno pened up since1976.

　　I have known XiaoLi since she was a little girl.

　　My brother has been in the Youth League for two years.

　　Ihavenotheardfrommyuncleforalongtime.

　　注意：并非有for作為時(shí)間狀語(yǔ)的句子都用現(xiàn)在完成時(shí)。

　　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。)

　　小竅門： 當(dāng)現(xiàn)在完成時(shí)+一段時(shí)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(dòng)詞在完成時(shí)中的誤使。

　　1) (對(duì))Tom has studied Russian for three years.

　　=Tom began to study Russian three years ago, and is still studying it now.

　　2) (錯(cuò))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(duì)，它應(yīng)改為Harry got married six years ago. 或Harry has been married for six years.

　　希望大家能夠認(rèn)真閱讀這篇小學(xué)六年級(jí)英語(yǔ)語(yǔ)法講解：比較since和for，以便在英語(yǔ)學(xué)習(xí)上取得優(yōu)異的成績(jī)。

【小學(xué)六年級(jí)英語(yǔ)語(yǔ)法講解之比較since和for】相關(guān)文章：

英語(yǔ)語(yǔ)法過(guò)去將來(lái)時(shí)的講解12-12

高中英語(yǔ)語(yǔ)法：就近原則講解技巧09-12

英語(yǔ)語(yǔ)法之因果關(guān)系11-11

小學(xué)英語(yǔ)語(yǔ)法大全11-16

小學(xué)英語(yǔ)語(yǔ)法-時(shí)態(tài)篇03-09

初中英語(yǔ)語(yǔ)法大全之表示告知他人的句型09-04

小學(xué)英語(yǔ)語(yǔ)法(合集15篇)06-13

小學(xué)英語(yǔ)語(yǔ)法知識(shí)點(diǎn)03-13

太極拳和詠春拳比較03-08

高爾夫技巧講解11-15