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? 句型轉(zhuǎn)換。 ? He has never surfed, ?(改成反意疑問(wèn)句) ? They have been here since 2021. (對(duì)劃線部分提問(wèn) ) ? have they been here? ? The old man _______ last year. He for a year. (die) ? This factory opened twenty years ago.(同義句轉(zhuǎn)換 ) ? This factory ___ _____ for twenty years. ? Miss Gao left an hour ago. (同義句轉(zhuǎn)換 ) ? Miss Gao _____ ____ _____ _____ an hour ago. ? Her mother has been a Party member for three years .(同義句) ? Her mother _______ the Party three years ________ . ? The Green Family moved to France two years ago. (同義句轉(zhuǎn)換 ) ? _______ two years ________ the Green family moved to France. ? The bus has arrived here. It arrived ten minutes ago. (把兩個(gè)句子合并成一個(gè)句子 ) ? ___________________________________________ ? 1. His father died two years ago. ? His father _____ _____ _____ for two years. ? 2. He has been in the army for three years. ? _____ _____ three years since he _____ the army. ? 3. I began to study at this school five years ago. ? I _____ _____ at this school _____ five years. ? 4. Have you ever visited Beijing? ? Have you ever _____ _____ _____ ? ? 5. I am a teacher. I became a teacher five years ago. ? I _____ _____ _____ _____ for five years. ? I _____ _____ _____ _____ _____ five years ago. ? 6. I bought the car five years ago. ? I _____ _____ the car for five years. ? 7. I have borrowed a new book from the school library. ? I _____ _____ a new book from the school library for two days. ? 8. The boy has e back. ? The boy _____ _____ _____ for an hour. ? 9. The film has begun. ? The film _____ _____ _____ _____ five minutes. ? 10. The man in a hat has left. ? The man in a hat _____ _____ _____ _____ half an hour ago. ? 11. Both students haven’t finished their homework. ? _____ _____ _____ finished their homework. 動(dòng)詞的過(guò)去分詞的規(guī)則變化,在動(dòng)詞后加 ed,規(guī)則變化有以下四種: ①原形 +ed 如: worked, passed ② 詞尾是 e時(shí),直接加 d 如: liked lived ③ 若詞尾為“輔音字母加 y”,則改 y為 i加 ed。詞尾 為“元音字母 +y”時(shí),直接加 d;如 : played stayed studied cried ④ 末尾只有一個(gè)輔音字母的重讀閉音節(jié)是,雙寫最后一個(gè)輔音字母加 ed. 如: stopped dropped 動(dòng)詞的過(guò)去分詞的規(guī)則變化 不規(guī)則動(dòng)詞的過(guò)去式以及過(guò)去分詞 巧記規(guī)律 ? AAA: put– put –put let—let –let ? ABA: bee—became—bee ? ABB: stand—stood—stood ? ABC: eat— ate—eaten AAA ? costcostcost readreadread ? putputput cutcutcut ? letletlet setsetset ? beatbeatbeat hithithit ? hurthurthurt spitspitspit ? ridridrid ? 一、原形、過(guò)去式和過(guò)去分詞的詞形和讀音都相同的單詞,結(jié)尾字母一般是 t或 d。 ? 特殊:動(dòng)詞 read的過(guò)去式和過(guò)去分詞雖然詞形與原形一致, readreadread,但發(fā)音分別是 [ri:d][red][red]。 有些動(dòng)詞的過(guò)去分詞與原形是一樣的 : runranrun ecamee beebecamebee overeovercameovere ABA 原型 過(guò)去式 過(guò)去分詞 例詞 eep ept ept keep,sweep,sleep ell old old sell,tell d t t lend,spend,send,build ay aid aid say,pay,lay n nt nt burn,learn,mean ee e e meet,feed ought ought bring,buy,fight,think aught aught catch,teach ABB(含規(guī)則動(dòng)詞 ) 。 have (has)hadhad leaveleftleft loselostlost makemademade feelfeltfelt spellspeltspelt standstoodstood 2. 改變單詞中間元音字母。 sitsatsat (babysit) winwonwon shineshoneshone holdheldheld findfoundfound hearheardheard hanghung (hanged)hung (hanged) ABB(含規(guī)則動(dòng)詞 ) ABC 原型 過(guò)去式 過(guò)去分詞 例詞 eak oke oken break,speak eal ole olen steal ear ore orn wear,bear,tear ow( aw) ew own grow,blow,know, throw,draw i a u sink,swim,drink,ring, sing,begin i o n drive,rise,ride,write ABC 有些動(dòng)詞的過(guò)去分詞是在原形詞尾加 n或 en,變成以 en結(jié)尾的單詞。 taketooktaken givegavegiven fallfellfallen eatateeaten writewrotewritten speakspokespoken freezefrozefrozen rideroderidden getgotgotten (got) fetfotfotten (fot) 特殊: am/iswasbeen arewerebeen, do (does)diddone gowentgone seesawseen showshowedshown (showed) lielay (lied)lain (lied)