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八大時(shí)態(tài)-經(jīng)典系統(tǒng)的時(shí)態(tài)總結(jié)!-資料下載頁(yè)

2024-10-22 18:30本頁(yè)面

【導(dǎo)讀】時(shí),現(xiàn)在完成時(shí),過(guò)去完成時(shí).,常與表示頻率的時(shí)間狀語(yǔ)連用。、客觀存在、科學(xué)事實(shí)。此用法如果出現(xiàn)在賓語(yǔ)從句中,即使主句是過(guò)去時(shí),從句謂語(yǔ)也要用一般現(xiàn)在時(shí)。、能力、性格、個(gè)性。6否定形式:am/is/are+not;此時(shí)態(tài)的謂語(yǔ)動(dòng)詞若為行為動(dòng)詞,則在其前加don't,如主語(yǔ)為第三。人稱(chēng)單數(shù),則用doesn't,同時(shí)還原行為動(dòng)詞。7一般疑問(wèn)句:把be動(dòng)詞放于句首;用助動(dòng)詞do提問(wèn),如主語(yǔ)為第三人稱(chēng)單數(shù),則用does,時(shí)間狀語(yǔ)有:yesterday,anhourago,theotherday,in1982等。,經(jīng)常性或習(xí)慣性的動(dòng)作。lastmonth,in1999,twodaysago等,絕對(duì)不可與recently,inthepast10years,thismonth. 或其他鋪墊句及情景設(shè)置句連用。即用現(xiàn)在進(jìn)行體表示將來(lái)要發(fā)生的動(dòng)作。常用在間接引語(yǔ)中。get,never,just,before,recently,for+一段時(shí)間,since+一段時(shí)間lately,inthepastfewyears,Ihavelostmykey.(說(shuō)明過(guò)去某時(shí)丟的,現(xiàn)在還未找到。,持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài)。

  

【正文】 has passed since + 一般過(guò)去時(shí) ”的句型中。請(qǐng)看: A. He joined the League two years ago. B. He has been in the League for two years. C. It is two years since he joined the League. D. Two years has passed since he joined the League. 二、 一般現(xiàn)在時(shí)與現(xiàn)在進(jìn)行時(shí)的轉(zhuǎn)換 在一般現(xiàn)在時(shí)中, at 加上名詞表示 “處于某種狀態(tài) ”,如 at work(在工作) , at school(上學(xué)、上課)等。此短語(yǔ)可與進(jìn)行時(shí)態(tài)轉(zhuǎn)換。請(qǐng)看: Peter is at work, but Mike is at play. Peter is working, but Mike is playing. 三、 現(xiàn)在進(jìn)行時(shí)與一般將來(lái)時(shí)的轉(zhuǎn)換 在現(xiàn)在進(jìn)行時(shí)態(tài)中 go, e, leave, start, arrive 等動(dòng)詞常與表示將來(lái)的時(shí)間狀語(yǔ)連用表示將要發(fā)生的動(dòng)作。如: I am ing, Mum! 意為 “我就來(lái),媽媽?zhuān)?”請(qǐng)看: The train is leaving soon. The train will leave soon. 四、 “be going to+動(dòng)詞原形 ”與 “will(shall)+動(dòng)詞原形 ”結(jié)構(gòu)的轉(zhuǎn)換 “be going to+動(dòng)詞原形 ”、表示打算、計(jì)劃要做的事;將 來(lái)時(shí) “will(shall)+動(dòng)詞原形 ”結(jié)構(gòu)在書(shū)面語(yǔ)中,當(dāng)主語(yǔ)為第一人稱(chēng)時(shí),常用助動(dòng)詞 shall。在口語(yǔ)中,所有人稱(chēng)都可以用 will。請(qǐng)看: We are going to visit the Great Wall next Sunday. We shall visit the Great Wall next Sunday. 為了使學(xué)生們?cè)诒容^中學(xué)好時(shí)態(tài) ,我特別強(qiáng)調(diào)要把握兩點(diǎn) ,一是時(shí)間狀語(yǔ)變化 ,二是動(dòng)詞變化 .同時(shí) ,以寫(xiě)信為例 ,寫(xiě)出八個(gè)時(shí)態(tài)句 ,讓學(xué)生記牢 ,作為學(xué)習(xí)時(shí)態(tài)的參照句 . often write letters. (一般現(xiàn)在時(shí) ) 我經(jīng)常寫(xiě)信 . 2. I wrote a letter yesterday.(一般過(guò)去時(shí) ) 我昨天寫(xiě)了一封信 . am writing a letter now.(現(xiàn)在進(jìn)行時(shí) ) 我正在寫(xiě)一封信 . 4. I was writing a letter at eight this morning.(過(guò)去進(jìn)行時(shí) ) 今天早上八點(diǎn)鐘 ,我正在寫(xiě)一封信 . 5. I am going to write a letter tomorrow.(一般將來(lái)時(shí) ) 我打算明天寫(xiě)一封信 . 6. I told my mother I would write a letter.(過(guò)去將來(lái)時(shí) ) 我告訴我媽媽我要寫(xiě)一封信 . 7. I have written a letter.(現(xiàn)在完成時(shí) ) 我寫(xiě)了一封信 .
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