初中過(guò)去完成時(shí)

1、關(guān)于初中過(guò)去完成時(shí)第一張，PPT共十八頁(yè)，創(chuàng)作于2022年6月本課重點(diǎn)： 動(dòng)詞過(guò)去分詞規(guī)則極不規(guī)則變化過(guò)去完成時(shí)用法 有時(shí)間狀語(yǔ)提示詞 無(wú)時(shí)間狀語(yǔ)提示詞過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別過(guò)去完成時(shí)與一般過(guò)去時(shí)的區(qū)別第二張，PPT共十八頁(yè)，創(chuàng)作于2022年6月過(guò)去分詞的構(gòu)成：1. 規(guī)則動(dòng)詞的變化：a) 一般情況下在動(dòng)詞后面加 ed work - worked play - playedb) 以 e 結(jié)尾的動(dòng)詞直接加 d use - used refuse - refusedc) 以輔音字母加 y 結(jié)尾的動(dòng)詞，把 y 改 i 再加 edstudy - studiedcarry - carriedd) 以

2、重讀閉音節(jié)結(jié)尾的，前面有單個(gè)元音字母時(shí)，雙寫(xiě)輔音字母，再加 edstop - stoppeddrop - dropped2. 不規(guī)則動(dòng)詞的變化見(jiàn)課本 附錄過(guò)去完成時(shí)的構(gòu)成：由助動(dòng)詞had + 動(dòng)詞的過(guò)去分詞（done)第三張，PPT共十八頁(yè)，創(chuàng)作于2022年6月構(gòu)成：助動(dòng)詞had + 動(dòng)詞的過(guò)去分詞（done)用法：1. 過(guò)去完成時(shí)動(dòng)詞表示過(guò)去某一時(shí)間或某一過(guò)去動(dòng)作之前完成的動(dòng)作或狀態(tài),即“過(guò)去的過(guò)去”。過(guò)去完成時(shí)：下面按照有無(wú)時(shí)間狀語(yǔ)提示詞分為兩大類講解:第四張，PPT共十八頁(yè)，創(chuàng)作于2022年6月(一)有時(shí)間狀語(yǔ)提示類：(1)by+過(guò)去時(shí)間：e.g. by the time(在時(shí)之前),

3、by the end of (在結(jié)束/末之前), by then(截止到那時(shí)); (2)up to/till(直到)+過(guò)去時(shí)間： e.g. up till then (直到那時(shí))等。1. 到六點(diǎn)鐘為止他們已經(jīng)工作八小時(shí)了。By six oclock they _(work) for eight hours.had worked2.到上個(gè)月末我們?cè)诒本┳×擞形迥陼r(shí)間了。By the end of last month we _(live) in Beijing for five years.had lived第五張，PPT共十八頁(yè)，創(chuàng)作于2022年6月4. 到那時(shí)，他已寫(xiě)完那封信。By the

4、time we got there， he _ (leave) already.had left3.當(dāng)我們到那兒時(shí)，他已經(jīng)離開(kāi)了。Up till then， he _ (write) that letter.had written第六張，PPT共十八頁(yè)，創(chuàng)作于2022年6月（3）此外，過(guò)去完成時(shí)與when, before, after, as soon as, till/ until 等引導(dǎo)時(shí)間狀語(yǔ)的從句連用，強(qiáng)調(diào)動(dòng)作發(fā)生的時(shí)間前后。1. 她到家之前她的孩子已經(jīng)睡著了。When she got home ， her children _ (sleep).had slept2. 在他們到達(dá)之前電

5、影已經(jīng)開(kāi)始了。Before they arrived here, the film _ already _ (start).had started第七張，PPT共十八頁(yè)，創(chuàng)作于2022年6月3. 我打完植物大戰(zhàn)僵尸就去睡覺(jué)了。I went to sleep as soon as I _(play) “plants VS zombies”.had played4. 看了暮光之城許多次之后，她終于厭煩了。She finally got bored after she_( see ) the film “twilight” many times.had seen第八張，PPT共十八頁(yè)，創(chuàng)作于2022

6、年6月2. 她懷疑她是否通過(guò)了體育測(cè)試。had read1.他說(shuō)他讀過(guò)這本書(shū)。He said that he _ (read) this book.She wondered if she _ （pass）the PE test.had passed(二)無(wú)時(shí)間狀語(yǔ)提示類先于某過(guò)去動(dòng)作第九張，PPT共十八頁(yè)，創(chuàng)作于2022年6月4. 她不想看黑天鵝，因?yàn)樗呀?jīng)看過(guò)了。She didnt want to see the film “Black Swan” because she _(see) it.had seen3. 我聽(tīng)說(shuō)Justin Bieber已經(jīng)有過(guò)兩個(gè)女朋友了。I heard that

7、 Justin Bieber _(have) two girl friends.had had第十張，PPT共十八頁(yè)，創(chuàng)作于2022年6月過(guò)去完成時(shí)與現(xiàn)在完成時(shí)的區(qū)別過(guò)去完成時(shí)強(qiáng)調(diào)在過(guò)去某時(shí)間或過(guò)去某動(dòng)作之前，即過(guò)去的過(guò)去。(1)按時(shí)間狀語(yǔ)區(qū)分，比較： by then/yesterday/last month等過(guò)去時(shí)間 +過(guò)去完成時(shí) by now + 現(xiàn)在完成時(shí) （by now = so far） by the end of + last month/year等過(guò)去時(shí)間+過(guò)去完成時(shí) by the end of + this month/year等現(xiàn)在時(shí)間+現(xiàn)在完成時(shí)（*注：by the end

8、 of this month/year還可能跟將來(lái)完成時(shí)）第十一張，PPT共十八頁(yè)，創(chuàng)作于2022年6月 up to/till then + 過(guò)去完成時(shí) up to/till now + 現(xiàn)在完成時(shí)by the time +人稱+ did + 過(guò)去完成時(shí) by the time + 人稱+ do + 現(xiàn)在完成時(shí)第十二張，PPT共十八頁(yè)，創(chuàng)作于2022年6月Exercises:So far, I _(collect) 100 stamps.By the end last year, the factory _(produce) 100,000 shoes.Tom _ (learn) Englis

9、h for 4 years since 2007.Mom _(in) the kitchen by the time I finished my homework.Sakura _(study) in this school for about 9 years up till now.He _(away) from his hometown up to then.The dog _ (die) for 3 weeks and Mary still feels sad.第十三張，PPT共十八頁(yè)，創(chuàng)作于2022年6月(2)按是否體現(xiàn)某動(dòng)作在另一過(guò)去動(dòng)作之前發(fā)生區(qū)分：有標(biāo)志詞：when, befor

10、e, after, as soon as, till/ until等When she got home， her children had slept.Before they arrived here, the film had already started.He said that he had met you.She wondered if she had passed the PE test.無(wú)標(biāo)志詞：賓語(yǔ)從句等第十四張，PPT共十八頁(yè)，創(chuàng)作于2022年6月Exercises:1.Jake _(be) Beijing for 3 month before he came back.2.

11、I went home as soon as the sun _(go) down.3.Jim bought a set of combs for his wife after he_ (sell) his watch chain.4.I didnt go to bed until the program _(finish).5.Mom asked if I _(have) breakfast this morning.6. I didnt expect that because I _(prepare) for such a surprise.7.You would have lost th

12、e game if he _(help) you.8.I went to Toms house but he _ (go) out.第十五張，PPT共十八頁(yè)，創(chuàng)作于2022年6月過(guò)去完成時(shí)與一般過(guò)去時(shí)的區(qū)別一般過(guò)去時(shí)常見(jiàn)標(biāo)志詞：比較：He had been a student for 8 years by the time he was sixteen.He was a student 8 years ago.They had packed all their things before they went to the airport.They packed all their things yesterday.第十六張，PPT共十八頁(yè)，創(chuàng)作于2022年6月Exercises:He _(lend) $100 a month ago.Sally _(buy) an ipod touch the day before yesterday.Joe _(run) 3