初中8種基本時(shí)態(tài)講解-資料下載頁(yè)
2025-06-26 06:25本頁(yè)面
【正文】 尾的動(dòng)詞，應(yīng)先雙寫(xiě)這個(gè)輔音字母然后再加ingstop – stoppingbegin – beginningdig – diggingswim – swimmingrun – runningsit – sitting(注意：listen – listeningopen – openingeat – eatingrain – rainingsleep sleeping)4)6．過(guò)去進(jìn)行時(shí)1）表示過(guò)去某一時(shí)刻或某階段時(shí)間正在進(jìn)行的動(dòng)作，通常與at 6:00 yesterday, at this/ that time yesterday, when引導(dǎo)的時(shí)間狀語(yǔ)等連用。2）基本結(jié)構(gòu)主語(yǔ)+be (was/were) +v ing +…1. It was raining at 7:00 the day before yesterday.2. They were building a reservoir at this time last winter.3. Wewere readingwhen the teacher came in.We weren’t reading…Were you reading…What were you doing when the teacher came in.3)例句1.前天那個(gè)時(shí)候Tom正在看電影。2.上周日四點(diǎn)我們正在游泳。4. I ____ (do) my homework yesterday.5. He ____ (do) his homework at 5:00 yesterday.6. He ____ (do) his homework now.1） 1.表示過(guò)去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響2．表示過(guò)去某時(shí)間已經(jīng)開(kāi)始一直持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)通常與下列時(shí)間狀語(yǔ)連用up to now, in the past, recently, by… , for 5 years, since 1994, so far, already, yet, ever, just…2)基本結(jié)構(gòu)主語(yǔ)+ have/has + (動(dòng)詞過(guò)去分詞)1. I’ve finished this work.2. He has ever been to Australia.3. I have not heard from her recently.4.I have already readthis book.Have you read…?Yes, I have.No, I haven’t.What have you read?3)過(guò)去分詞的構(gòu)成（規(guī)則變化同過(guò)去式的構(gòu)成）不規(guī)則變化如下dodiddone
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