在語法里，時或時態(tài)表示行為發(fā)生的時間和說話時的關(guān)系。時態(tài)是表示行為、動作、狀態(tài)在各種時間條件下的動詞形式，下面是小編收集整理的*英語動詞時態(tài)練習(xí)，大家一起來看看吧!
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*英語動詞時態(tài)練習(xí)：
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1、The scientist ___________ (give) us a talk yesterday.
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2、My parents ___________ (live) in Beijing since 1949.
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3、Look! The young worker___________ (show) the students around the factory now.
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4、They ___________ (build) a new bridge over the river next year.
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5、The students___________ (clean) their classroom tomorrow.
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6、The windows of our lab ___________ (clean) once a week.
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7、Our teacher ___________ (join) the party twenty years ago.
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8、The boys___________ (have) a basketball match now. Let’s ___(go) and _____(watch).
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9、She___________ (work) in this factory for ten years.
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答案：1. gave 2. have lived 3. is showing 4. will build 5. will clean 6. is cleaned 7. joined 8. are having, go … watch 9. has worked
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現(xiàn)在進(jìn)行時的理解與用法：
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一、如何理解
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顧名思義，現(xiàn)在進(jìn)行時就是指說話時正在進(jìn)行的動作或發(fā)生的情況。如漢語說的“我在看書”“他在吃飯”“火車在行駛”“秘書在打字”等，在英語中都要用現(xiàn)在進(jìn)行進(jìn)來表達(dá)，因為它們所涉及的動作在說話的時刻都正在進(jìn)行。
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二、構(gòu)成與用法
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現(xiàn)在進(jìn)行時由“am / is / are + 現(xiàn)在分詞”構(gòu)成。如：
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She is still sleeping. 她還在睡覺。
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We are waiting for the rain to stop. 我們在等雨停。
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They are playing quietly now. 他們在安靜地玩著。
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過去完成時的用法：
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(1) 某些動詞如intend / think / plan / expect / hope等的過去完成時表示主語未曾實(shí)現(xiàn)的愿望、希望或打算。如：
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I had intended to come to see you last night, but someone called and I couldn’t get away. 我原打算昨晚來看你，但有人來訪，我拖不開身。
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He had hoped to find a job soon.他本來希望很快找到工作。
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I had meant to come, but something happened. 我本想來，但有事就沒有來。
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(2)過去完成時用在hardly / scarcely…when…和no sooner…than 固定結(jié)構(gòu)中。如：
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No sooner was the frost off the ground than the work began. 地上的霜一消散，人們就開始工作了。
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Hardly had he arrived when she started complaining. 他剛一到, 她就開始抱怨起來。
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(3) 過去完成時用于條件分句或wish / would rather等后面的that從句中，表示與過去事實(shí)相反的主觀愿望。如：
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I would have met him, if I had come this morning. 今天早晨我來的話，就會見到他了。
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I wish I had seen you yesterday. 我昨天見到你多好。
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He would rather she had lent him more money than she did.他本希望她借給他的錢更多些。
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before long 可以連用哪些時態(tài)：
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1. 連用一般將來時
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We’ll know before long (= soon). 我們很快就會知道了。
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I’m going to get very cross before long. 我很快就會大發(fā)雷霆。
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It’s likely that the law will be abolished before long. 這項法律很有可能不久就要廢除。
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You need to be careful, or you’ll run yourself into the ground before long. 你要小心點(diǎn)，不然過不了多久你就會累垮的。
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2. 連用一般過去時
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Before long the whole neighbourhood knew about it. 不久，整個小區(qū)都知道了這事。
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Before long, the dispute degenerated into fierce polemics. 不久爭論就演變成了激烈的論戰(zhàn)。
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One thing led to another and before long Sue and I were engaged. 事情一件接著一件, 不久之后我和休就訂婚了。
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Other students joined in the protest, and before long (=soon) there was a crowd of 200 or so. 其他學(xué)生也加入了抗議隊伍，不久就有 200 人左右了。
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We were called to the hospital twice, but the old man seemed to have nine lives, and before long made a complete recovery. 我們兩次被召往醫(yī)院，但老父親大難不死，不久就完全康復(fù)了。
