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初中英語(yǔ)語(yǔ)法用法講解
【語(yǔ)法since和for用法講解】
比較since和for
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。例如:
I have lived here for more than twenty years.我住在這兒二十多年了。
I have lived here since I was born. 我從出生起就住在這兒了。
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。)
注意:用句型轉(zhuǎn)換的方法,很容易排除非延續(xù)動(dòng)詞在有for/since結(jié)構(gòu)的完成時(shí)中的誤用。
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.
同學(xué)們,看看since和for的用法比較,大家有沒(méi)有清楚一點(diǎn)呀,多多看看哦。
初中英語(yǔ)分詞與連詞的語(yǔ)法
【分詞與連詞的】在學(xué)習(xí)的時(shí)候需要注意的是,分詞的主語(yǔ)和主句的主語(yǔ)必須為同一個(gè)哦!
有時(shí)為使分詞短語(yǔ)與主句關(guān)系更清楚,可在分詞前加連詞。 連詞有: when,while,if though,after, before, as. 但分詞的主語(yǔ)和主句的主語(yǔ)必須為同一個(gè),如:
While waiting there, he saw two pretty girls come out of the building.
waiting 和saw 的主語(yǔ)相同。
溫馨提示:同學(xué)對(duì)這個(gè)如果還不是很理解的話(huà),就不可以再偷懶了哦!
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