初中英語時態(tài)總結(jié)-文庫吧資料
2024-10-28 18:10本頁面
【正文】 m since then. 我從那時起就認(rèn)識他了。例如： He has pleted the work. 他已完成了那項工作。例如： It is two years since I became a postgraduate student. 我考上研究生有兩年了。 Great changes have taken place since we were here. 我們走后，變化可大了。 3） since +從句。 2） since +一段時間 + ago。 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. 返回動詞的時態(tài)目錄 since的四種用法 1） since +過去一個時間點（如具體的年、月、日期、鐘點、 1980, last month, half past six）。） I have worked here for many years.（現(xiàn)在我仍在這里工作。 注意：并非有 for 作為時間狀語的句子都用現(xiàn)在完成時。例如： I have lived here for more than twenty 。 （錯） I have received his letter for a month. （對） I haven39。 注意：非延續(xù)性動詞的否定形式可以與表示延續(xù)時間的狀語連用。 （ 2） Have you ____ been to our town before? No, it39。ve （ ever） seen. 這是我看過的最好的電影。 注意： It was the third time that the boy had been late. 2） This is +形容詞最高級 +that… 結(jié)構(gòu)， that 從句要用現(xiàn)在完成時。 This is the first time （ that） I39。 （錯） Tom has written a letter to his parents last night. （對） Tom wrote a letter to his parents last night. 返回動詞的時態(tài)目錄 用于現(xiàn)在完成時的句型 1） It is the first / second time.... that… 結(jié)構(gòu)中 的從句部分，用現(xiàn)在完成時。例如： I saw this film yesterday. （強調(diào)看的 動作發(fā)生過了） I have seen this film. （強調(diào)對現(xiàn)在的影響，電影的內(nèi)容已經(jīng)知道了） Why did you get up so early? （強調(diào)起床的動作已發(fā)生過了） Who hasn39。 3）現(xiàn)在完成時可表示持續(xù)到現(xiàn)在的動作或狀態(tài)，動詞一般是延續(xù)性的，如 live, teach, learn, work, study, know.。 現(xiàn)在完成時的時間狀語： for, since, so far, ever, never, just, yet, till/until, up to now, in past years, always 等，皆不確定的時間狀語。 2）一般過去時常與具體的時間狀語連用，而現(xiàn)在完成時通常與模糊的時間狀語連用，或無時間狀語。其構(gòu)成： have （ has） +過去分詞。m leaving tomorrow. 明天我要走了。 返回動詞的時態(tài)目錄 用現(xiàn)在進行時表示將來 下列動詞 e, go, arrive, leave, start, begin, return等現(xiàn)在進行時可以表示將來。 例如： I hope they have a nice time next week. 我希望他們下星期玩得開心。ll write to you as soon as I arrive there. 我到了那里，就寫信給你。例如： When Bill es （不是 will e） , ask him to wait for me. 比爾來后，讓他等我。 There goes the bell. = The bell is ringing. 鈴響了。 2）以 here, there等開始的倒裝句，表示動作正在進行。例如： The train leaves at six tomorrow morning. 火車明天上午六點開。m going to play football tomorrow afternoon. 明天下午我想去踢球。例如： I am to play football tomorrow afternoon. 明天下午我去踢球。例如： If you are going to make a journey, you39。 注意： be about to do 不能與 tomorrow, next week 等表示明確將來時的時間狀語連用。 4） be about to +不定式，意為馬上做某事。 3） be +不定式表將來，按計劃或正式安排將發(fā)生的事。 c. 有跡象要發(fā)生的事。例如： The play is going to be produced next month。 a. 主語的意圖，即將做某事。 will 在陳述句中用于各人稱，在征求意見
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