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en years yet, just, before, recently, once, already, lately, ever, never, since 1996, for ten years 從句用一般過去時(shí),主句用現(xiàn)在完成時(shí); 不與一段時(shí)間連用。如果要與一段時(shí)間連用必須換成延續(xù)性動(dòng)詞。 時(shí)態(tài) 意義 構(gòu)成形式 標(biāo)志詞 例句 備注 過去完成時(shí) 表示在過去某一時(shí)間或某一動(dòng)作之前發(fā)生或完成的動(dòng)作,表示“過去的過去”。 had+動(dòng)詞的過去分詞 by, by the end of, before, when, after, until+過去的時(shí)間點(diǎn) Lily had finished her homework when her father came 的父親回來時(shí),她已經(jīng)完成了家庭作業(yè)。 / 動(dòng)詞時(shí)態(tài)的解題方法 遇到時(shí)態(tài)題時(shí),首先要尋找時(shí)間標(biāo)志詞,如果題干中有明確的時(shí)間標(biāo)志詞,則往往可以根據(jù)時(shí)間狀語選擇相應(yīng)的時(shí)態(tài)。 如果所給題干是含有賓語從句或狀語從句的主從復(fù)合句,可根據(jù)主從句時(shí)態(tài)呼應(yīng)的原則選出正確的時(shí)態(tài)。 此類試題題干中沒有時(shí)間標(biāo)志詞,理解語境是解題關(guān)鍵。 英語中有些特定動(dòng)詞對時(shí)態(tài)有明顯的提示作用,如: look, listen, see, hear,均可表示“正在做某事”或“一直做某事”,此類考題中則應(yīng)使用現(xiàn)在進(jìn)行時(shí)。 考點(diǎn)小練 ___ (wear) glasses when he reads. and I (play) tennis yesterday. He did much better than I. (sit) by the river when a white rabbit with pink eyes ran by. were worried because the number of visitors smaller and smaller. A. bee B. are being C. is being D. have bee 5. he usually to s