单词词形变化规则

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单词词形变化规则,1,一、复数（名词）：,1一般情况下，直接加-s，如：book-books, bag-bags, cat-cats, bed-beds,2以s. x. sh. ch结尾，加-es，如：bus-buses, box-boxes, brush-brushes, watch-watches,3.以“辅音字母+y”结尾，变y为i,再加-es，如：family-families, strawberry-strawberries,4以“f或fe”结尾，变f或fe为v,再加-es，如：knife-knives,5不规则名词复数：,man-men, woman-women, policeman-policemen, policewoman-policewomen, mouse-micechild-childrenfoot-feet,.tooth-teethfish-fish, people-people, Chinese-Chinese,Japanese-Japanese,2,二第三人称单数（动词）：,1一般情况下，直接加-s，如：cook-cooks, milk-milks,2以s. x. sh. ch. o结尾，加-es，如：guess-guesses, wash-washes, watch-watches, go-goes,3以“辅音字母+y”结尾，变y为i,再加-es，如：study-studies,3,三现在分词（动词）：,1一般情况下，直接加ing，如：cook-cooking,2以不发音的e结尾，去e加ing，如：make-making, taste-tasting,3如果末尾是一个元音字母和一个辅音字母，双写末尾的辅音字母，再加ing，如：run-running, stop-stopping,4,四过去式和过去分词（动词）：,1一般在动词末尾加-ed，如：pull-pulled, cook-cooked,2结尾是e加d，如：taste-tasted,3末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed，如：stop-stopped,5,4以“辅音字母+y”结尾的，变y为i，再加-ed，如：study-studied,5不规则动词过去式和过去分词：,（1）awake-awoke-awoken （2）be(am,is,are)-was/were-been （3）bear-bore-born （4）begin-began-begun （5）blow-blew-blown （6）break-broke-broken （7）choose-chose-chosen （8）do-did-done （9）draw-drew-drawn （10）drink-drank-drunk （11）drive-drove-driven （12）eat-ate-eaten （13）fall-fell-fallen （14）fly-flew-flow （15）forget-forgot-forgotten,6,（16）forgive-forgave-forgiven （17）freeze-froze-frozen （18）give-gave-given （19）get-got-gotten （20）go-went-gone （21）grow-grew-grown （22）hide-hid-hidden （23）know-knew-known （24）lie-lay-lain （25）mistake-mistook-mistaken （26）overeat-overate-overeaten （27）prove-proved-proven （28）ride-rode-ridden （29）ring-rang-rung,7,（30）rise-rose-risen （31）see-saw-seen （32）shake-shook-shaken （33）show-showed-shown （34）sing-sang-sung （35）sink-sank-sunk （36）speak-spoke-spoken （37）steal-stole-stolen （38）swim-swam-swum （39）take-took-taken （40）throw-threw-thrown （41）wake-woke-woken （42）wear-wore-worn （43）write-wrote-written,8,五比较级和最高级（形容词）：,1.一般在词尾加er/est；,2.以字母e结尾，加r/st；,3.以一个元音字母和一个辅音字母结尾，应双写末尾的辅音字母，再加er/st；,4.以“辅音字母+y”结尾，先把y变i，再加er/st,9,5.部分双音节词和多音节词，在单词前面加more或most,important more important most importantdifficultmore difficultmost difficultinteresting more interesting most interestinguseful more usefulmost usefulbeautifulmore beautifulmost beautiful,10,6不规则形容词比较级：,good/well-better-best,bad/ill-worse-worstmany/much-more-most,little-less-leastfar-farther-farthest或further-furthest,old-older-oldest或elder-eldest,late-later-latest或latter-latest,11,