資源描述:
《luo 現(xiàn)在完成時態(tài)復(fù)習(xí)課件.ppt》由會員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在教育資源-天天文庫。
1、現(xiàn)在完成時ThePresentPerfectTense直擊中考考點(diǎn)考點(diǎn)一:現(xiàn)在完成時句型結(jié)構(gòu):考點(diǎn)二:have/hasbeento與have/hasgoneto和have/hasbeenin的區(qū)別考點(diǎn)三:常見的暗示詞:考點(diǎn)四:already與yet的區(qū)別考點(diǎn)五:for與since的區(qū)別考點(diǎn)六:延續(xù)性動詞和短暫性動詞的轉(zhuǎn)換考點(diǎn)七:現(xiàn)在完成時和一般過去時的區(qū)別考點(diǎn)八:Itis+時間段since+過去時考點(diǎn)一:現(xiàn)在完成時的構(gòu)成形式havehas助動詞過去分詞+done主語+肯定主語+have/has+done否定主語+have/hasnot+done疑問Have
2、/Has+主語+done+其他?Yes,主+have/has.No,主+haven’t/hasn’t.Ihavefinishedmyhomework.Ihavenotfinishedmyhomework.Haveyoufinishedyourhomework?Yes,Ihave./No,Ihaven’t.ShehasbeentoBeijing.?Shehasn’tbeentoBeijing.?HasshebeentoBeijing??Yes,shehas./No,shehasn’t.1.規(guī)則動詞:與過去時變化相同。(1)一般+-edwork---worke
3、d---worked(2)以“e”結(jié)尾,+-d。live---lived---lived(3)“輔音字母+y”結(jié)尾,y變i,+-ed。cry---cried---cried(4)重讀閉音節(jié)結(jié)尾(輔元輔),雙寫后+-ed。drop---dropped--dropped2、不規(guī)則動詞,見不規(guī)則表(p146-148)動詞過去分詞的變化規(guī)則寫出下列動詞的過去式和過去分詞Work____________Live____________Stay____________Stop____________Clean____________Study____________w
4、orkedworkedlivedlivedstayedstayedstoppedstoppedcleanedcleanedstudiedstudied不規(guī)則動詞(見一個記一個)AAA型costcostcost;cutcutcut;AAB型beatbeatbeatenABA型①runranrun;②comecamecome③becomebecamebecomeABB型buyboughtbought;buildbuiltbuiltABC型beginbeganbegun;choosechosechosen1.--Haveyouever__________Shan
5、ghai?--Yes.Ihavebeentheretwice.2.WhereisLucy?Shehas________thelab.3.Shehas__________thelabforanhour.beentogoneto考點(diǎn)二:have/hasbeento和have/hasgoneto和have/hasbeenin的區(qū)別Have/hasbeento曾經(jīng)去過某地(已返回)Have/hasgoneto去了某地(沒有回來)Have/hasbeenin去/來到(一直呆在那)+一段時間beenin考點(diǎn)三:常見的暗示詞:already(已經(jīng),常用于肯定句,放在ha
6、ve/has后或句末)just(剛剛,常用于肯定句,放在have/has后)ever(曾經(jīng),多用于疑問句中,Have/Has+主語+ever+其他)never(從不,表示否定,放在have/has后面)yet(仍,還沒,用于否定和疑問句句末)since(自從,后跟點(diǎn)時間),for(后跟一段時間))sofar(到目前為止)inthelast/pastfewdays(在過去的幾天twice/fourtimes…(以動作發(fā)生的次數(shù)為標(biāo)志)考點(diǎn)四:yet和already的區(qū)別already已經(jīng),常用于肯定句,放在have/has后yet仍,還(沒),用于否定和疑問
7、句句末eg.(1)---Haveyoudoneyourhomework_____?---Yes,Ihave________finishedit.Aalready,yetByet,alreadyTheyhavealreadyfinishedit.theyfinishedit____?(一般疑問句)Yes,they____.No,they____.They____finishedit____.(變否定Haveyethavehaven’thaven’tyet考點(diǎn)五:for和since的區(qū)別1.for+一段時間since+時間點(diǎn)+時間段+ago+一般過去時態(tài)的句子
8、Ihavebeencollectingshells_____199