动词过去式变化规则.doc

动词过去式变化规则I一般过去时态定义：表示过去某时发生的动作或存在的状态。结构：“主语+动词的过去式”用法：1.表示过去某个时间发生的动作或存在的状态。He was here yesterday.I got up at seven yesterday morning.My mother was at work yesterday afternoon.Did you have a good time last summer?2.表示过去经常或反复发生的动作。My mother often went to work by taxi last year.When I was a student, I often listened to music.3. 常与一般过去时态连用的时间有：一般过去式的用法： 一般过去式 表示过去的动作和状态，通常一般过去式带有表示动作时间状语的词，词组或从句, 如yesterday, the day before last, last week, two days ago 等,上下文清楚时可以不带时间状语。 I worked in that factory last year. 去年我在那一家工厂工作。 I met him yesterday. 昨天我碰见了他。 I went to the Tian Long Mountain yesterday. 昨天我们去了天龙山。一般过去式构成：表示一般过去式的动词通常用动词的过去式形式来表示，而动词的过去式是在动词原形的基础上变化的。动词的过去式可分为规则动词和不规则动词。4. 一般过去时的标志词: last year; last night yesterday (+morning, afternoon, evening)in +过去时间词: in 1998 依上下文或句子。II过去式规则变化（a）动词词尾+“ed”。 walk walked（走）need needed （需要）（b）动词词尾为“e”时，加“-d”。 live lived （住）like liked （喜欢）（c）动词词尾为“辅音字母+y”时，去“y”加“ied”，若是词尾为“元音字母+y”，只加“ed”。 study studied （学习）playplayed （游戏）（d）原形动词词尾为重读闭音节时，先双写该辅音字母再+“ed”stop stopped 过去式“-ed”的发音规则（1）动词词尾为“t，d”时，发/ Id /音，want wanted （要）need needed （需要）（2）动词词尾为等清辅音时，发/ t / 音。help helped （帮助）laugh laughed （笑）look looked （看）kiss kissed （吻）wash washed （洗） watch watched （注视）（3）动词词尾为以外之浊辅音或元音时，发/ d /音。call called （叫）staystayed （停留）crycried （哭）III过去式规则变化(一) 不变1.cutcut2.letlet3.putput4 readread 5mustmust（二）改成a1. comecame2.becomebecame3.beginbegan 4. drinkdrank5.havehad 6.runran 7. sitsat8.ringrang9. singsang10.swimswam 11.givegave（三）改成ght1. thinkthought2.fight fought3.bringbrought 4. buybought5.catchcaught 6. teachtaught（三）改成t1.keepkept2.sleepslept3.sweepswept4.feelfelt5.spendspent6.learnlearnt 7.meanmeant（四）改成ew1.blowblew 2.knowknew 3.growgrew 4.drawdrew5.throwthrew6. flyflew（五）改成o1.get got 2.forgetforgot3.writewrote 4.riderode 5.drivedrove6.sellsold7.telltold8.standstood 9.understandunderstood10.speakspoke11.hear heard 12.taketook(六)其他形式1.makemade 2.hearheard 3.eatate4.mean meant5.saysaid6.findfound 7.meet met 8.see saw9.cancould 10.shallshould11.willwould12. maymight13.gowent14.seesaw 15.wearwore易错型thinkthought/thankthankedtaketook/ talktalked提示a. beat的过去式与原形同形： beat（打击） beat（过去式） beaten（过去分词）b. lie有规则变化和不规则变化两种，含义不同 lie lied, lied（说谎）lielay, lain（躺，位于）c. hang 有规则变化和不规则变化两种，含义不同 hang hanged, hanged（处绞刑）hang hung, hung(挂，吊)d. welcome（欢迎）一词是规则动词，不可误用为不规则动词 welcome welcomed, welcomed（正） welcome, welcome（误）e.不要将不规则动词误用为规则动词 hit（打） hit（正）hit（打）hitted（误）IV. 句型转化：1be 动词的过去时的句型如下：(1)否定句：主语 + be动词的过去式（was, were）+ not(2)疑问句： be动词的过去式（was, were）+ 主语？a.He was busy yesterday. (肯定句) 他昨天很忙。b.He was not busy yesterday. (否定句) 他昨天不忙。c.Was he busy yesterday? (疑问句) 他昨天忙吗？d.There werent any boys in the room.房间里没有男孩儿。e. Were there any boys in the room? 房间里有男孩儿吗？2行为动词的否定式和疑问式：(1)若肯定句中只有一个行为动词,那就得在行为动词前加上did not或缩略式didnt,并把这个行为动词由过去式改为动词原形。例如：a. I called Lin Tao yesterday afternoon. I did not / didnt call Lin Tao yesterday afternoon.b. I borrowed a book from Sun Yang last Sunday. I didnt borrow a book from Sun Yang last Sunday.(2) 行为动词的一般疑问句若在陈述句中只有行为动词的过去式,那就得在句首加上一个助动词did来帮助提问,然后把句中的行为动词由过去式改为动词原形,并在句末打上问号。回答时别忘了还用did.例如：a. We stayed there for 10 days last month. Did you stay there for 10 days last m