过去式如begin~began开始复数如leaf~leaves树叶

Question

过去式 如begin~began 开始 复数 如leaf~leaves 树叶

Answer 1

不规则动词 am\are\is was\were been bear bore born beat beat beaten become became become begin began begun blow blew blown break broke broken bring brought brought build built built burn burnt burnt buy bought bought can could catch caught caught choose chose chosen come came come cost cost cost cut cut cut dig dug dug do did done draw drew drawn drink drank drunk drive drove driven eat ate eaten fall fell fallen feed fed fed feel felt felt fight fought fought find found found fly flew flown forget forgot forgetten freeze froze frozen get got got give gave given go went gone grow grew grown hang hung hung have had had hear heard heard hide hid hidden hit hit hit hold held held hurt hurt hurt keep kept kept kneel knelt knelt know knew known lay laid laid lean leant leant leave left left let let let lie lay lain lose lost lost make made made may might mean meant meant meet meet met melt melted melted pay paid paid put put put read read read ride rode ridden ring rang rung rise rose risen run ran run say said said see saw seen sell sold sold send sent sent sew sewed sewn shake shook shaken shine shone shone show showed shown shut shut shut sing sang sung sink sank sunk sit sat sat sleep slept slept smell smelt smelt speak spoke spoken speed sped sped spell spelt spelt spend spent spent spin spun spun spread spread spread spring sprang sprung stand stood stood steal stole stolen stick stuck stuck sweat sweated sweated sweep swept swept swim swam swum swing swung swung take took taken teach taught taught tell told told think thought thought throw threw thrown understand understood understood wake woke woken wear wore worn win won won write wrote written 复数 一、通过内部元音变化的方法来构成复数形式.man→men（男人）woman→women（女人）foot→feet（英尺,脚）tooth→teeth（牙）goose→geese（鹅）mouse→mice（老鼠）louse→lice（虱子） 二、词尾加-en构成.ox→oxen（牛）child→children（孩子） 三、以f或fe结尾,在构成复数时,去掉f或fe加-ves.half→halves（半）thief→thieves（贼）wife→wives（妻子）life→lives（生命）knife→knives（小刀）wolf→wolves（狼）calf→calves（小牛）shelf→shelves（架子）leaf→leaves（叶）loaf→loaves（面包的块、条）sheaf→sheaves（捆）self→selves（自己） 四、单、复数相同的形式.one sheep（一只羊）→two sheep（两只羊）a deer（一只鹿）→two deer（两只鹿）a Chinese（一个中国人）→two Chinese（两个中国人） 五、有些名词只有单数形式.advice（劝告；忠告）information（信息）luggage（行李）knowledge（知识）rubbish（垃圾）furniture（家具） 六、有些名词通常只有复数形式.compasses（圆规）clothes（衣服）pyjamas（睡衣裤）trousers（长裤）breeches（马裤）pants（短裤）goods（货物）binoculars（双筒望远镜）pliers（钳子）scissors（剪刀）scales（天平）arms（武器）premises（房屋） 七、合成名词,将主体词变为复数形式.passer-by→passers-by（过路人）brother-in-law→brothers-in-law（姐夫）sister-in-law→sisters-in-law（嫂子） 八、由man和woman构成的合成名词,两个构成部分都要变成复数.man worker→men workers（男工人）woman doctor→women doctors（女医生） 九、以字母o结尾的单词,通常情况下在其后加-es.Negro→Negroes（黑人）potato→potatoes（土豆,马铃薯）tomato→tomatoes（蕃茄,西红柿）