七年级英语下学期动词.pptx

动词过去动词过去式式的构成的构成规则动词不规则动词构成读音变化规则例词一般在词尾加ed.playplayed以不发音的e结尾的，只加-d.like likedlove loved以辅音字母+y 结尾的，变y为i,再加ed.study studied以一个辅音字母结尾的重读闭音节，先双写这个辅音字母，再加-edstop stopped规则动词过去式词尾规则动词过去式词尾-ed的读音的读音读音规则读音规则读读 音音例例 词词在浊辅音和元音后面/d/moved/mu:vd/在清辅音后面/t/liked/laikt/在/t/d/后面/id/needed/ni:did/started/sta:tid/规则动词后规则动词后-ed的读音的读音1、清念/t/，例：finished helped passed cooked2、元浊/d/,borrowed enjoyed called moved 3、/t/d/之后念/id/,wanted shouted needed counted 清念清念/t/,元浊元浊/d/;/t/d/之后念之后念/id/look-finish-live-stop-carry-hope-trip-call-want-play-like-plan-study-cry-start-love-将下列动词变为过去式将下列动词变为过去式lookedfinishedlivedstoppedcarriedhopedtrippedcalledwantedplayedlikedplannedstudiedcriedstartedloved巧记下列不规则动词巧记下列不规则动词一、过去式和原形相同一、过去式和原形相同 cut cut砍 (read读,put 放,let让,hit 撞,hurt 伤害,cost花费)sing-sang唱 (begin开始,drink喝,swim游泳,ring打电话，run跑 become成为,come来sit坐,give给 )build-built 建设(lend 借,send 送,spend花费)二、将元音字母二、将元音字母 改为改为“a”三、将三、将“d”改为改为“t”四、以四、以“ee辅音字母辅音字母结尾的动词结尾的动词,去掉一个去掉一个“e”在在末尾加末尾加“t”，有，有“t”则不再加。则不再加。sleep-slept 睡 meet-met 遇见(sweep 扫,keep保持,feel 感觉)五、将元音字母改为五、将元音字母改为“e”know-knew知道 (throw扔,grow生长,draw 画,blow吹)think-thought思考(fight打架,bring拿来,buy买)catch-caught捉，抓 teach-taught教六、将元音字母后的部分改为六、将元音字母后的部分改为”ought”/“aught”七、将七、将“ay”改为改为“aid”say-said 说 （pay付款）八、将八、将“and”改为改为“ood”stand-stood站，忍受（understand理解）九、将九、将“ell”改为改为“old”sell-sold卖 （tell告诉）am/is-are-do-eat-find-go-have/has-hear-make-see-take-decide-wait-cook-walk-visit-wasweredidatefoundwenthadheardmadesawtookdecidedwaitedcookedwalkedvisited