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,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,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,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,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,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,（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,（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,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,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,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,。