1、do my homework every day.(用yesterday改写句子)did yesterday。didnt do (否定句)Did you your yesterday?Yes ,I did。 /No, I didnt.(一般疑问句)3情态动词的一般过去时态情态动词的过去式:cancould , maymight , mustmust ,will-would,should-should。特殊疑问句式: 特殊疑问词+be过去式+主语+其他?特殊疑问词+情态助动词过去式+主语+动词原形+其他?特殊疑问词+do/does过去式+主语+动词原形+其他?What was your form
2、er name?你以前叫什么名字?Why was he late for school last Monday?上星期一他为什么迟到?What could she do twenty years ago?20年前她能做什么?三一般过去时的判断标志词yesterday , the day before yesterday , last + 时间 , this morning 时间 + ago , just now , a moment ago , in + 过去的时间 ,注意:一般过去时表示过去经常或反复发生的动作,常和often经常, always总是,once a week一周一次,等表示频
3、度的时间状语连用四一般过去时的基本用法 表示过去某个特定时间发生的动作或存在的状态。 He suddenly fell ill last night. 他昨晚突然病倒了.表示过去的习惯性或经常发生的动作 She went to the cinema once a month .叙述过去连续发生的一件件事 She got up early, fetched water, cleaned the room and then went out for a walk. 她早早起床,提水,打扫房间然后出去散步.五动词过去式的变化规则 1。 规则变化 一般情况下,直接加edwork- worked loo
4、k-looked walkwalked 以e结尾的单词,直接加dlive lived hopehoped useused 以辅音字母+y结尾的,变y为i加edstudystudied carrycarried 以元音字母+y结尾的,直接加edenjoy enjoyed play-played以重读、一个辅音字母结尾的闭音节结尾的动词,双写最后的辅音字母+edstop- stoppedplan-plannedpreferpreferred六为了帮助同学们记住不规则动词,现在把教材中出现的不规则动词分为几个类型,每个类型中又分若干组,尽量找出每组中各词变化形式的共同点,以帮助记忆。 AAA型(现在
5、式、过去式和过去分词同形)动词原形(现在式)过去式过去分词含义cost花费cut割,切hit打let让put放下read读hurt伤2. AAB型(现在式和过去式同形)beatbeaten3. ABA型(现在式和过去分词同形)comecame来becomebecame变runran跑4。 ABB型(过去式和过去分词同形)(1)在动词原形后加一个辅音字母d或t构成过去式或过去分词。burnburnt燃烧learnlearned/learnt学习meanmeant意思hearheard听见(2)把动词原形的最后一个辅音字母“d”改为“t” 构成过去式或过去分词。buildbuilt建筑lendle
6、nt借给loselost失去sendsent送spendspent(3)其他paypaid付laylaid下蛋saysaid说bringbrought带来buybought买thinkthought想sleepslept睡keepkept保持sweepswept扫standstood站understandunderstood明白winwon得胜shineshone/shined发光catchcaught抓住teachtaught教feelfelt觉得fightfought战斗findfound发现getgot得到hanghanged绞死hung挂havehad有holdheld盛,握leave
7、left离开makemade制造meetmet遇见sellsold卖shootshot射击telltold告诉smellsmelt/smelled嗅,闻sitsat坐digdug挖5. ABC型(现在式、过去式和过去分词都不相同)6. (1)在动词原形后加-n或-en构成过去分词。eatateeaten吃fallfellfallen落下stealstolestolen偷givegavegiven给freezefrozefrozen冻结taketooktaken拿seesawseen看见writewrotewritten写rideroderidden骑drivedrovedriven驾驶thro
8、wthrewthrown抛,扔blowblewblown吹growgrewgrown生长knowknewknown知道flyflewflown飞drawdrewdrawn拉,绘画showshowedshown展示(2)过去式加n或en构成过去分词。speakspokespoken说话breakbrokebroken破碎,折断wakewaked/ wokewaked/ waken醒choosechosechosen选择forgetforgotforgotten忘记(3)变单词在重读音节中的元音字母“i”分别为“a(过去式)和“u”(过去分词)。beginbeganbegun开始ringrangrung按铃singsangsung唱sinksanksunk沉swimswamswum游泳drinkdrankdrunk饮(4)其他不规则动词的变化。be(am, is)wasbeen是be(are)weredodiddone做gowentgone去lielain躺wearworeworn穿一般过去时练习题一、写出下列动词的过去式is
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