英語單詞變形規(guī)則匯總.ppt

變 形 規(guī) 則,可數(shù)名詞的復(fù)數(shù)形式,可數(shù)名詞才有復(fù)數(shù)形式 不可數(shù)名詞主要是抽象名詞和物質(zhì)名詞，做主語時謂語用單數(shù) 集體名詞沒復(fù)數(shù)形式但做主語時謂語通常用復(fù)數(shù),statesman, mouse, mosquito , monkey, passer-by, watch, button, brochure,university,statesmen, mice, mosquitoes , monkeys, passers-by, watches, buttons, brochures,universities,1.一般在詞尾加-s map-maps, bridge-bridges 2.以-s,-x,-sh,-ch結(jié)尾的加-es glass-glasses, brush-brushes 3. 以o結(jié)尾的有生命的名詞后加-es hero-heroes, potato-potatoes 以o結(jié)尾的無生命的名詞以及-oo結(jié)尾的詞后加-s piano-pianos, zoo-zoos,4.以輔音加y結(jié)尾的詞變y為i加es;以元音加y結(jié)尾的詞直接加s factory-factories;boy-boys 5. 以-f或-fe結(jié)尾的詞，把-f,-fe改為V,再加-es wolf-wolves, leaf-leaves 有的以-f,-fe結(jié)尾的詞，可以直接加-s belief-beliefs, roof-roofs,不規(guī)則變化,1.bacterium-bacteria; medium-media; criterion-criteria phenomenon-phenomena,2. businessman-businessmen policeman-policemen postman-postmen salesman-salesmen spokesman-spokesmen statesman-statesmen,3. goose-geese; tooth-teeth; foot-feet 4. mouse-mice; ox-oxen; child-children deer-deer; fish-fish;sheep-sheep 5. means-means; analysis-analyses stamach-stamachs,leaf-leaves; knife-knives life-lives; shelf-shelves thief-thieves; wolf-wolves,動 詞 的 單 三 變,寫出下列動詞的單數(shù)第三人稱形式 1. swim 2. draw 3. make 4. run 5. carry 6.leave 7. arrive 8. watch 9.clean 10. stay,寫出下列動詞的單數(shù)第三人稱形式 1. swims 2. draws 3. makes 4. runs 5. carries 6.leaves 7. arrives 8. watches 9.cleans 10. stays,動詞的第三人稱單數(shù)規(guī)則 當(dāng)主語是第三人稱（she、he、it）或名詞時，謂語動詞要用單數(shù)形式。一般情況下動詞的第三人稱單數(shù)形式都是直接加s 動詞單數(shù)形式： 1、動詞以ch、sh、o、s、x結(jié)尾時，單數(shù)形式要加es 2、動詞以元音字母+y結(jié)尾時，在y后直接加s；動詞以輔音字母+y結(jié)尾時，把y變成i再加es 3、be動詞的現(xiàn)在時包括am、is、are。第三人稱單數(shù)要用is；have的第三人稱單數(shù)是has,動 詞 的 -ed 形式,寫出下列單詞的過去式和過去分詞 1. flow 2. stick 3.bite 4.identify 5. receive 6. aim 7. limit 8.yell 9. ban 10. admit,1. flow-flowed-flowed 2. stick-stuck-stuck 3. bite-bit-bitten 4. identify-identified-identified 5. receive-received-received 6. aim-aimed-aimed 7. limit-limited-limited 8. yell-yelled-yelled 9. ban-banned-banned 10. admit-admitted-admitted,規(guī)則動詞的過去分詞與規(guī)則動詞的過去式的構(gòu)成規(guī)則相同。 1 一般動詞，在詞尾直接加“ed” work-worked visit-visited 2 以“e”結(jié)尾的動詞，只在詞尾加“d” live-lived 3 以“輔音字母 + y ”結(jié)尾的動詞，將 “y” 變?yōu)?“i” ，再加“ed” study-studied-studied 4 重讀閉音節(jié)結(jié)尾，末尾只有一個輔音字母，雙寫該輔音字母，再加“ed” stop-stopped,動 詞 的 -ing 形 式,寫出下列單詞的-ing形式 violate wind swallow scan refer quarrel breathe begin write forgive tie try,寫出下列單詞的-ing形式 violating winding swallowing scanning referring quarrel(l)ing breathing beginning writing forgiving tying trying,1.一般在動詞末尾直接加ing 2.以不發(fā)音字母e結(jié)尾的動詞，先去掉e, 再加ing 如： have - having 3.以重讀閉音節(jié)結(jié)尾的動詞，中間只有一個d短元音字母，詞尾只有一個輔音字母,應(yīng)雙寫末尾的輔音字母，再加ing 如：running beginning jogging sitting getting 4.以ie結(jié)尾的動詞，把ie變成y再加ing ， 如： lie - lying die - dying,形容詞,副詞的比較級和最高級,寫出下列形容詞的比較級和最高級 bad clean famous dirty big ill heavy little happy far expensive well slow easy wide carefully early thin much clever,寫出下列形容詞的比較級和最高級 bad/ill-worse-the worst clean-cleaner-the cleanest famous- more famous - the most famous dirty-dirtier-the dirtiest big-bigger-the biggest heavy-heavier-the heaviest little-less- the least,happy-happier-the happiest far-farther/further-the farthest/furthest expensive-more expensive-the most expensive well -better-best slow-slower -the slowest easy-easier-the easiest wide-wider-the widest carefully -more carefully-most carefully early-earlier-earliest thin -thinner-the thinnest much -more-the most clever -cleverer-the cleverest,1.單音節(jié)詞在詞尾加-er構(gòu)成比較級， 加-est構(gòu)成最高級 如：hard-harder-the hardest 2.以不發(fā)音的e結(jié)尾的單音節(jié)詞直接加-er或-est，如：late-later-the latest 3. 以輔音字母加y結(jié)尾的變y為I加er或est: 如: easy - easier - the easiest 4.以一個輔音字母結(jié)尾的重讀閉音節(jié)詞雙寫最后一個輔音字母再加er或est: 如: big - bigger - the biggest 5.多音節(jié)詞前加more或most, 副詞最高級前省略the. 如: important - more important - the most important,6.以-ly結(jié)尾的副詞，除early外，其他均使用more/most構(gòu)成比較級和最高級 early-earlier-earliest warm-more warmly-most warmly patiently-more patiently-most patiently,不規(guī)則變化 good / well - better - the best 好 bad / badly / ill - worse - the worst 壞 many / much - more - the most 多 little - less - the least 少 old - older / elder - the oldest / the eldest 老, 舊 far - farther / further - the farthest / the furthest 遠(yuǎn),請寫出下列形容詞的副詞形式 exact complete personal probable easy frequent full automatic,形 容 詞 變 副 詞,1.直接+ly quietquietly differentdifferently confidentconfidently beautifulbeautifully carefulcarefully recentrecently,2. 以-le 結(jié)尾的形容詞去e + ly terrible terribly possible possibly comfortable comfortably gentle gently simple simply reasonable reasonably probable probably incredible incredibly,其它以e結(jié)尾的形容詞直接+ly wise wisely nice nicely polite politely fortunate fortunately close closely immediateimmediately widewidely,true truly whole wholly full fully dull dully,注意以下形容詞變副詞的拼寫,3. 以 輔音+y結(jié)尾的，變y 為i+ly happy happily easy easily angry angrily merry merrily heavy heavily noisy noisily healthyhealthily lucky luckily,4. 以ic結(jié)尾的+ally energetic energetically automatic automatically scientific scientifically economiceconomically basic basically public publicly （例外）,注意以ly結(jié)尾的形容詞 friendly lovely lively elderly lonely monthly weekly yearly brotherly fatherly motherly,deadly manly womanly daily silly,5. 形容詞與副詞 同形 fastfast earlyearly hardhard latelate farfar alonealone little-little,6. 有兩個副詞形式的詞 highhigh highly deepdeepdeeply widewidewidely hardhard hardly lou