规则行为动词过去式的变化规则课件

动词过去式的变化规则一、规则动词的过去式1.动词原形+-ed（大部分动词）want—wanted work—worked need—needed clean—cleaned wash—washed play—played spell—spelled help--helped 2.以不发音的e结尾的在词尾加-dlike—liked live—lived use—used move—moved hope—hoped dance—danced3.以一个元音字母（A/E/I/O/U）加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母，再加-edstop—stopped, trip—tripped4.以辅音字母加y结尾的动词，先把y变成i，再加-edstudy—studied carry—carried hurry—hurried marry—married copy—copied cry—cried二、不规则动词的过去式1. 以t结尾的词，过去式与原形相同。

put—put let—let cut—cut beat—beat2. 以d结尾的词，把d变成t。

build—built lend—lent send—sent spend—spent 3. 以n结尾的词，在词后加t。

mean—meant burn—burnt learn—learnt4. 以ow / aw结尾的词，把ow / aw变成ew。

blow—blew draw—drew know—knew grow—grew 5. 含有双写字母的词，将双写改为单写，在词尾加t。

keep—kept sleep—slept feel—felt smell—smelt 6. 含有元音字母o / i的词，将o / i变成a。

sing—sang give—gave sit—sat drink—drank 我们目前已学动词的过去式什么时候用一般过去时呢？？？1.表示在过去某一时间内发生的动作或情况◆①带有确定的过去时间状语morning five daysyesterday afternoon one week agoevening three minutesthe day before yesterday three hoursyear morninglast month one dayday the other daythat year 其他 when I was youngmorning just noweg. I went to school on foot yesterday.I finished my homework last week.◆②没有确定的过去时间状语时eg. I thought you were ill. 我原以为你生病了(这句话说明在说话之前我以为你病了，但是现在我知道你没病）2.表示过去一段时间内经常或反复发生的动作（常与always，never，often 等频度副词连用）eg. Peter always carried an umbrella. Peter 常常带着伞I never drank wine. 我从不喝酒一般过去时的句型肯定句：主语+行为动词过去式/be动词过去式eg : We played football yesterday.I was happy last night.否定句：did not / didn’t + 行为动词原型Was not / wasn’t + 其他Were not / weren’t + 其他eg：I didn’t finish my homework.I wasn’t happy last night.We weren’t finish our team work.一般疑问句：Did + 主语 + 行为动词原型？Was /Were + 主语 + 其他成分eg: -----Did you go shopping yesterday?-----Yes, I did. / No ,I didn’t.Was she 15 years old last year?特殊疑问句；特殊疑问词 + did + 主语 + 行为动词原型？特殊疑问词was / were + 主语 + 其他成分？eg: Where did you go on vacation?When and where were you born?一般过去时练习题一、单项选择：从下列各题后所给的四个选项中选择最佳答案填空。

动词过去式1.规则变化Look---looked visit---visited cook---cooked water---watered clean---cleaned watch---watched wash---washed play---played climb---climbed skate---skated like---liked walk---walked plant---planted answer---answered listen---listened jump---jumped pick---picked count---counted collect---collected plant---planted wait---waited turn---turned drive---drived live---livedwork---worked row---rowed learn---learned dance---danced 2.不规则变化Am\is---was are---weredo---did go---wentsee---saw eat---atesweep---swept sleep---slepthave---had make---madget---got swim---swamfly---flew draw---drew write---wrote study---studied run---ran fight---fought swing---swung drink---drank take---took ride---rode catch---caught teach---taught will---would can---could sing---sang buy---bought fing---found stop---stopped come---came give---gavesit---sat tell---told3过去式和原形一样.read---read set---sethurt---hurt put---put一般过去时表示在过去的某一时间里发生的事情，我们用动词过去式来表示。

一、动词过去式变化规则及其读音规则规则动词的过去式变化如下：1、一般情况下，动词词尾加-ed ，如：work ---worked play---played wanted----wanted act----acted2、以不发音的-e 结尾动词，动词词尾加-d，如：live---lived move----moved taste---tasted hope---hoped3、以辅音字母+ y结尾的动词，把-y变为-i 再加-ed，如：study---studied copy---copied cry---cried carry---carried4、以一个辅音字母结尾的重读闭音节动词，双写词尾辅音字母，再加-ed，如：stop ---stopped5、不规则动词的过去式变化规律性不强，须多加记忆。

go – went make – made get – got buy - bought come - came fly-flew不规则动词的过去式的构成1．把动词原形中的i改为a，变成过去式。

如：begin—began，drink—drank，give—gave，ring—rang，sing—sang，sit—sat，swim—swam 2．把重读开音节中的i改为o，变成过去式。

如：drive—drove，ride—rode，write—wrote3．改动词原形中的aw ／ow为ew，变成过去式。

如：draw—drew，grow—grew，know—knew，throw—threw（动词show除外，show—showed）4．动词原形中的e改为o，变成过去式。

如：get—got，forget—forgot5．动词原形中的ee改为e，变成过去式。

如：feed—fed，meet—met6．动词原形中的eep改为ept，变成过去式。

如：keep—kept，sleep—slept，sweep—swept7．动词原形中的eak改为oke，变成过去式。

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一、规则动词(Regullar Verbs) 的过去式由“动词原形+—ed”构成，具体变化有：1。

一般的直接在词尾加—ed.如：want—wanted, work—worked, need—needed，clean—cleaned2。

以不发音的e结尾的在词尾加-d。

如：like—liked, live—lived, use—used, move—moved smile—-smiled; hope--hoped.注意：ie结尾动词,直接加d： died；tied.3。

以一个元音字母加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母,再加—ed。

如：stop—stopped, trip-tripped planned;4. 以辅音字母加y结尾的动词，先把y变成i，再加—ed。

如：study—studied, carry—carried， hurry—hurried, marry—married worried; studied。

注意：规则动词过去式加“ed”后的发音规则：在浊辅音和元音后面 [d]called ［kɔ:ld] borrowed [bɒrəʊd] moved［mu：vd］在清辅音后面［t］ helped［helpt] passed［pa:st］在［t] ［d］音后面［id］started[’sta：tid] counted［’kauntid]needed['ni：did］ counted['kauntid]补充说明：二、不规则动词（Irregular Verbs)的过去式大体上归纳有以下记忆法：1. 以t结尾的词，过去式与原形相同。