现在完成时态讲解及练习.doc

现在完成时态讲解及练习
一、现在完成时的构成
肯定句：主语+have/has+done(过去分词)+其它
HehaslivedinShenzhenfor4years.
一般疑问句：Have/Has+主语+done(过去分词)+其它
HashelivedinShenzhenfor4years?
否定句:主语+have/has+not+done(过去分词)+其它
Hehasnotfinishedhishomework.
过去分词的构成方法如下:
1.一般情况下，直接在动词原形后面加–ed.
work---workedanswer---answeredobey---obeyedwant---wanted
2.以不发音的-e结尾的动词只加–d.
Move---movedhope---hopeddivide---divided
3.字尾是辅音+y的动词。则将y改i加ed.
study---studiedtidy---tidiedsatisfy---satisfied
4.以重读闭音节结尾的词，这些词的末尾只有一个辅音字母时，双写这个辅音字母，再加–ed.stop---stoppedregret---regretteddrop---dropped
不规则动词过去式与过去分词分类记忆表
一、AAA.（原形，过去式和过去分词一致）
1.花费costcostcost2.割cutcutcut3.伤害hurthurthurt4.让letletlet5.放putputput6.朗读readreadread7.设置setsetset8.打击，碰撞hithithit9.关上门窗shutshutshut10.让letletlet
二、ABB（过去式和过去分词一致）
1)过去式、过去分词含有-ought
1.带来bringbroughtbrought2.买buyboughtbought3.打架fightfoughtfought4.想thinkthoughtthought5.寻找、探究seeksoughtsought2)过去式、过去分词含有-aught
5.抓住catchcaughtcaught6.教teachtaughttaught3)过去式、过去分词-t替换原形-d
7.建筑buildbuiltbuilt8.借出lendlentlent9.花费spendspentspent10.派遣sendsentsent4)过去式、过去分词在原形词尾加t或d
11.学会learnlearnt/edlearnt/ed12.意思meanmeantmeant13.燃烧burnburnt/edburnted13.做梦dreamdreamt/eddreamt/ed13.处理dealdealtdealt14.听hearheardheard5）过去式、过去分词改为-ept
15.保持keepkeptkept16.睡觉sleepsleptslept17.扫sweepsweptswept过去式、过去分词改为-elt

18.感觉feelfeltfel19.嗅smellsmelt/edsmelt/ed20.拼写spellspelt/edspelt/ed7)过去式、过去分词改为-aid
20.孵蛋laylaidlaid21.说saysaidsaid22.支付paypaidpaid8)过去式、过去分词改为-old
23.卖sellsoldsold24.告诉telltoldtold9)过去式、过去分词改为-ood
25站standstoodstood26.明白understandunderstoodunderstood
10)其它变化
27.得到getgotgot(gotten)28.坐sitsatsat29.照顾babysitbabysatbabysat30.离开leaveleftleft31.失去loselostlost32.找到findfoundfound33.有have(has)hadhad34.握住，召开holdheldheld35.制造makemademade36.悬挂hanghunghung37.照耀shineshoneshone39.赢winwonwon40逃跑fleefledfled41喂feedfedfed42.引导，导致leadledled43遇见meetmetmet三、ABA（过去式与原形一致）
1.变成becamebecomebecome2.来comecamecome3.跑runranrunABC（原形、过去式、过去分词各不一样）
.过去分词在过去式或原形后加-n或-en

1.击败beatbeatbeaten2.破坏breakbrokebroken3.驾驶drivedrovedriven4.吃eatateeaten5.落下fallfellfallen6.给giveg