变形规则精选.pptVIP

不规则变化 good / well --- better --- the best 好 bad / badly / ill --- worse --- the worst 坏 many / much --- more --- the most 多 little --- less --- the least 少 old --- older / elder --- the oldest / the eldest 老, 旧 far --- farther / further --- the farthest / the furthest 远 请写出下列形容词的副词形式 exact complete personal probable easy frequent full automatic 形 容 词 变 副 词 变 形 规 则 可数名词的复数形式 可数名词才有复数形式 不可数名词主要是抽象名词和物质名词，做主语时谓语用单数 集体名词没复数形式但做主语时谓语通常用复数 statesman, mouse, mosquito , monkey, passer-by, watch, button, brochure,university statesmen, mice, mosquitoes , monkeys, passers-by, watches, buttons, brochures,universities 1.一般在词尾加-s map-maps, bridge-bridges 2.以-s,-x,-sh,-ch结尾的加-es glass-glasses, brush-brushes 3. 以o结尾的有生命的名词后加-es hero-heroes, potato-potatoes 以o结尾的无生命的名词以及-oo结尾的词后加-s piano--pianos, zoo--zoos 4.以辅音加y结尾的词变y为i加es;以元音加y结尾的词直接加s factory-factories;boy-boys 5. 以-f或-fe结尾的词，把-f,-fe改为V,再加-es wolf-wolves, leaf-leaves 有的以-f,-fe结尾的词，可以直接加-s belief-beliefs, roof--roofs 不规则变化 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 动 词 的 单 三 变 写出下列动词的单数第三人称形式 1. swim 2. draw 3. make 4. run 5. carry 6.leave 7. arrive 8. watch 9.clean 10. stay 写出下列动词的单数第三人称形式 1. swims 2. draws 3. makes 4. runs 5. carries 6.leaves 7. arrives 8. watches 9.cleans 10. stays 动词的第三人称单数规则 当主语是第三人称（she、he、it）或名词时，谓语动词要用单数形式。一般情况下动词的第三人称单数形式都是直接加s 动词单数形式： 1、动词以ch、sh、o、s、x结尾时，单数形式要加es 2、动词以元音字母+y结尾时，在y后直接加s；动词以辅音字母