第三人称单数变化规则资料讲解
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谓语动词第三人称单数变化规则
谓语动词的第三人称单数变化规则是指当主语为第三人称单数时,谓语动词需要进行变化。
一般情况下,动词在第三人称单数时需要在词尾加上-s或-es。
具体规则如下:
1. 对于以辅音字母+y结尾的动词,将y改为i,并加上-es。
如:study→studies。
2. 对于以s, x, z, sh, ch等音结尾的动词,加上-es。
如:box →boxes。
3. 对于以o结尾的动词,大多数情况下加上-es。
如:go→goes。
但是也有一些例外,如do→does,go→goes,因此需要记忆。
4. 对于以辅音字母+o结尾的动词,应该先将o改为e,然后加上-es。
如:hero→heroes。
5. 对于以元音字母+o结尾的动词,直接加上-s。
如:studio→studios。
6. 对于以f或fe结尾的动词,将f或fe改为v,然后加上-es。
如:wife→wives,leaf→leaves。
需要注意的是,一些常见的动词在第三人称单数时不需要变化,如:have、has、go、do等。
此外,还有一些动词变化规则比较特殊,需要仔细学习和记忆。
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三单知识点总结在英语语法中,三单知识点是非常重要的一部分,它涉及到动词的单数第三人称形式的变化规则,对于学习者来说需要认真掌握。
本文将围绕三单知识点展开详细的总结,希望能够帮助读者更好地理解和运用这一知识点。
一、三单知识点的基本规则在英语中,动词的单数第三人称形式一般要在原形后加上-s或-es,具体规则如下:1. 一般情况下,在动词原形后加上-s,如:- He workS hard every day.- She playS basketball after school.2. 在动词原形以s, x, ch, sh, o结尾的情况下要在原形后加上-es,如:- She watchES TV in the evening.- He fixES the car on weekends.- My sister studiES Chinese in school.3. 在以辅音字母+y结尾的动词原形,要将y改为i再加上-es,如:- He studIES English on weekdays.- She crIES when she watches sad movies.4. 一些特殊的动词原形需要进行不规则变化,如:- I goES to the gym every morning.- She doES her homework after dinner.- He has a lot of friends.以上就是三单知识点的基本规则,接下来将细致地介绍一些注意事项以及常见的错误用法,以帮助读者更好地掌握这一知识点。
二、注意事项1. 注意名词的单数第三人称形式在使用动词的单数第三人称形式时,还需要注意句子中的名词是单数还是复数。
如果名词是单数形式,那么动词的单数第三人称形式也应该使用;如果名词是复数形式,那么动词的原形就可以使用。
2. 注意there be句型中的动词形式在there be句型中,动词的形式取决于后面的主语是单数还是复数。
英语动词单三变化规则及名词单数变复数口诀知识讲解英语动词单三变化规则及名词单数变复数口诀英语动词第三人称单数变化规则及名词单数变复数口诀一、动词的第三人称单数现在式变化规则:1)一般由动词原形加-sget-gets play-plays2)以e结尾的动词,加-slike-likes make-makes3)以o结尾的动词加-esgo-goes do-does4)以s, x, ch, sh等字母结尾的动词,后面加-eskiss-kisses fix-fixes teach-teaches fish-fishes 5)以辅音字母加y 结尾的动词,先将y变i, 再加-esfly-flies study-studies6) have –has1、一般现在时①主语+动词原型VI have a friend. You have a friend. We have a friend.They have a friend.②主语(第三人称单数)+动词V(三单)She / He / It has a friend.Tom / My mother has a friend.2.不规则动词过去式与过去分词分类记忆表(一)、AAA. (原形,过去式和过去分词一致)1. 花费 cost cost cost2. 割 cut cut cut3. 伤害 hurt hurt hurt4. 让 let let let5. 放 put put put6. 朗读 read read read7. 设置 set set set 8.打击,碰撞 hit hit hit9.关上门窗 shut shut shut 10.让 let let let(二)、ABB(过去式和过去分词一致)1) 过去式、过去分词含有-ought1. 带来 bring brought brought2. 买 buy bought bought3. 打架 fight fought fought4. 想 think thought thought5. 寻找、探究 seek sought sought2) 过去式、过去分词含有-aught5. 抓住 catch caught caught6. 教 teach taught taughtt替换原形-d3) 过去式、过去分词-7. 建筑 build built built 8. 借出 lend lent lent9. 花费 spend spent spent 10.派遣 send sent sent 4) 过去式、过去分词在原形词尾加t或d11. 学会 learn learnt/ed learnt/ed 12. 意思 mean meant meant13. 燃烧burn burnt/ed burnted 13. 做梦dream dreamt/ed dreamt/ed 13. 处理 deal dealt dealt14. 听 hear heard heard5) 过去式、过去分词改为-ept15. 保持 keep kept kept 16. 睡觉 sleep slept slept17. 扫 sweep swept swept6) 过去式、过去分词改为-elt18. 感觉 feel felt fel 19. 嗅 smell smelt/ed smelt/ed 20. 拼写spell spelt/ed spelt/ed 7) 过去式、过去分词改为-aid20. 孵蛋 lay laid laid 21. 说 say said said 22. 支付 pay paid paid8) 过去式、过去分词改为-old23. 卖 sell sold sold24. 告诉 tell told told9) 过去式、过去分词改为-ood25 站 stand stood stood26.明白 understand understood understood10) 其它变化27.得到 get got got(gotten) 28.坐 sit sat sat29.照顾 babysit babysat babysat 30.离开 leave left left31.失去 lose lost lost 32.找到 find found found33.有 have(has) had had 34.握住,召开 hold held held35.制造 make made made 36.悬挂 hang hung hung37.照耀 shine shone shone 39.赢 win won won40逃跑 flee fled fled 41喂feed fed fed42.引导,导致 lead led led 43遇见 meet met met三、ABA (过去式与原形一致)1.变成 become became become2. 来 come came come3. 跑 run ran run 四、ABC (原形、过去式、过去分词各不一样)1). 过去分词在过去式或原形后加-n或-en1. 击败 beat beat beaten2. 破坏 break broke broken3. 驾驶 drive drove driven4. 吃 eat ate eaten5. 落下 fall fell fallen6. 给 give gave given7. 生长 grow grew grown8. 知道 know knew known9. blow blew blown10. 扔 throw threw thrown11. 展示 show showed shown12.弄错,错误mistake mistook mistaken 13. 拿take took taken14.摇动 shake shook shaken 15. 说 speak spoke spoken16. 选择 choose chose chosen2) 三种形式都有变化1. 是 be( is, am, are ) was/were been2. 开始 begin began begun3. 做 do did done4. 喝 drink drank drunk5. 飞fly flew flown6. 忘记 forget forgot forgotten(forgot)7. 躺 lie lay lain8. 骑 ride rode ridden 9. 打电话 ring rang rung10. 唱 sing sang sung 11. 穿 wear wore worn 12. 游泳 swim swam swum 13. 写 write wrote written 14. 去 go went gone 语法(Grammar)一、现在完成时的构成现在完成时的构成:助动词have (has)+动词的过去分词过去分词的构成方法如下: A:1.一般情况下,直接在动词原形后面加–ed. worked answered obeyed wanted 2.以不发音的-e 结尾的动词只加–d. moved hoped divided3.字尾是辅音+y的动词。
第三人称单数总结一、定义在一般现在时中,当主语是第三人称单数时,即主语为“它/他/她”时,谓语动词要用第三人称单数形式,一般规律是在动词原形后加s或者es。
二、变化规则(一)一般情况:大多数动词都是直接在原形后+s,例:come-comes keep-keeps(二)以s、x、ch、sh和o结尾时,在动词原形后+es,例:pass-passes fix-fixes teach-teaches go-goes(三)以辅音字母+y结尾的动词,变y为i+es,例:try-tries study-studies(四)以元音字母+y结尾的动词,直接在动词后+s,例:play-plays(五)特殊情况:动词have,遇到主语是第三人称单数时,变have为has;be动词的第三人称单数形式是is。
三、用法简单概括就是,在一般现在时的时态中,当句子的主语是第三人称单数时,谓语动词要用第三人称单数形式。
具体用法有以下几种情况:(一)遇到人称代词it、he、she时:例:It looks nice. 它看起来很漂亮。
He often has breakfast at seven. 他经常在早上七点吃早餐。
She likes dancing. 她喜欢跳舞。
(二)单个人名、地名或称呼作主语时:例:Li Lei looks like his father. 李雷看起来像他爸爸。
Fu jian is in China. 福建在中国。
Uncle Zhan often makes cakes. 詹叔叔经常做蛋糕。
(三)单数可数名词或“this/that/the+单数可数名词”作主语时:例:An apple is on the desk. 有一个苹果在桌上。
This car is black. 这辆车是黑色的。
That book is yours. 那本书是你的。
The cat looks so cute. 这只猫看起来真可爱。
英语动词单三变化规则及名词单数变复数口诀英语动词第三人称单数变化规则及名词单数变复数口诀一、动词的第三人称单数现在式变化规则:1)一般由动词原形加-sget-gets play-plays2)以e结尾的动词,加-slike-likes make-makes3)以o结尾的动词加-esgo-goes do-does4)以s, x, ch, sh等字母结尾的动词,后面加-eskiss-kisses fix-fixes teach-teaches fish-fishes 5)以辅音字母加y结尾的动词,先将y变i, 再加-esfly-flies study-studies6) have –has1、一般现在时①主语+动词原型VI have a friend. You have a friend. We have a friend.They have a friend.②主语(第三人称单数)+动词V(三单)She / He / It has a friend.Tom / My mother has a friend.2.不规则动词过去式与过去分词分类记忆表(一)、AAA. (原形,过去式和过去分词一致)1. 花费 cost cost cost2. 割 cut cut cut3. 伤害 hurt hurt hurt4. 让 let let let5. 放 put put put6. 朗读 read read read7. 设置 set set set 8.打击,碰撞 hit hit hit9.关上门窗 shut shut shut 10.让 let let let(二)、ABB(过去式和过去分词一致)1) 过去式、过去分词含有-ought1. 带来 bring brought brought2. 买 buy bought bought3. 打架 fight fought fought4. 想 think thought thought5. 寻找、探究 seek sought sought2) 过去式、过去分词含有-aught5. 抓住 catch caught caught6. 教 teach taught taughtt替换原形-d3) 过去式、过去分词-7. 建筑 build built built 8. 借出 lend lent lent9. 花费 spend spent spent 10.派遣 send sent sent 4) 过去式、过去分词在原形词尾加t或d11. 学会 learn learnt/ed learnt/ed 12. 意思 mean meant meant13. 燃烧 burn burnt/ed burnted 13. 做梦 dream dreamt/ed dreamt/ed 13. 处理 deal dealt dealt14. 听 hear heard heard5) 过去式、过去分词改为-ept15. 保持 keep kept kept 16. 睡觉 sleep slept slept17. 扫 sweep swept swept6) 过去式、过去分词改为-elt18. 感觉 feel felt fel 19. 嗅 smell smelt/ed smelt/ed 20. 拼写 spell spelt/ed spelt/ed 7) 过去式、过去分词改为-aid20. 孵蛋 lay laid laid 21. 说 say said said 22. 支付 pay paid paid8) 过去式、过去分词改为-old23. 卖 sell sold sold24. 告诉 tell told told9) 过去式、过去分词改为-ood25 站 stand stood stood26.明白 understand understood understood10) 其它变化27.得到 get got got(gotten) 28.坐 sit sat sat29.照顾 babysit babysat babysat 30.离开 leave left left31.失去 lose lost lost 32.找到 find found found33.有 have(has) had had 34.握住,召开 hold held held35.制造 make made made 36.悬挂 hang hung hung37.照耀 shine shone shone 39.赢 win won won40逃跑 flee fled fled 41喂feed fed fed42.引导,导致 lead led led 43遇见 meet met met三、ABA (过去式与原形一致)1.变成 become became become2. 来 come came come3. 跑 run ran run 四、ABC (原形、过去式、过去分词各不一样)1). 过去分词在过去式或原形后加-n或-en1. 击败 beat beat beaten2. 破坏 break broke broken3. 驾驶 drive drove driven4. 吃 eat ate eaten5. 落下 fall fell fallen6. 给 give gave given7. 生长 grow grew grown8. 知道 know knew known9. blow blew blown10. 扔 throw threw thrown11. 展示 show showed shown12.弄错,错误 mistake mistook mistaken 13. 拿 take took taken14.摇动 shake shook shaken 15. 说 speak spoke spoken16. 选择 choose chose chosen2) 三种形式都有变化1. 是 be( is, am, are ) was/were been2. 开始 begin began begun3. 做 do did done4. 喝 drink drank drunk5. 飞fly flew flown6. 忘记 forget forgot forgotten(forgot)7. 躺 lie lay lain8. 骑 ride rode ridden 9. 打电话 ring rang rung10. 唱 sing sang sung 11. 穿 wear wore worn 12. 游泳 swim swam swum 13. 写 write wrote written 14. 去 go went gone语法(Grammar)一、现在完成时的构成现在完成时的构成:助动词 have (has)+动词的过去分词过去分词的构成方法如下 : A:1.一般情况下,直接在动词原形后面加–ed. worked answered obeyed wanted 2.以不发音的 -e 结尾的动词只加–d. moved hoped divided3.字尾是辅音+y的动词。
动词第三人称单数变化规则1) 一般情况下,动词后面直接加-s. 例如:works gets says reads2) 以ch,sh,s,x 或o 结尾的动词,在后面加-es。
例如:go-goes teach-,teache wash-washes brush-brushes ,catch-catches ,do-does ,fix -fixes3) 以辅音字母+ y结尾的动词,把y变为i 再加-es. 例如:study- studies try-tries carry-carries ,fly-flies cry-cries现在分词变化规则1.直接+ ing(例:sleep+ing sleeping)2.去e+ing(例:bite-e+ing biting)3重读闭音节,且末尾只有1个辅音字母,双写辅音字母+ing(例:sit+t+ing sitting)4.特殊变化:die-dying,lie-lying,tie-tying5.不规则变化现在进行时的基本用法:A 表示现在( 指说话人说话时) 正在发生的事情。
例:We are waiting for you.B. 习惯进行:表示长期的或重复性的动作,说话时动作未必正在进行。
例:Mr. Green is writing another novel.(说话时并未在写,只处于写作的状态。
)例:She is learning piano under Mr. Smith.C.已经确定或安排好的将来活动I'm leaving for a trek in Nepal next week.(已经安排了)we're flying to Paris tomorrow.(票已经拿到了)D.有些动词(状态动词不用于进行时态)1.表示知道或了解的动词:believe,doubt,forget,imagine,know, remember,realize,suppose,understand2.表示“看起来”“看上去"appear,resemble,seem3表示喜爱或不喜爱hate,like.lover.prefer4表示构成或来源的动词be come from.contain,include5表示感官的动词hear see smell sound taste6表示拥有的动词belong to.need.own .possess.want wish1、现在进行时的构成现在进行时由"be+v-ing"构成。
单数第三人称动词用法及变化规则第三人称单数形式:一、构成1. 以字母s结尾:以辅音字母结尾的动词,在词尾加-s。
例如:Look→Looks;Want→Wants;Love→Loves。
2. 以字母es结尾:以元音字母结尾的动词,一般在词尾加-es,例如:Go→Goes;Do→Does;Have→Has。
3. 特殊变化:有些动词会按照特殊变化规则变化。
例如:Say→Says;Come→Comes;Drive→Drives。
二、特殊规则1、以字毯o结尾的动词,一般加-es,但是有例外:Go→Goes;Do→Does;Have→Has。
2、以不发音字母e结尾的动词,一般加-s,但是有例外:Write→Writes;Make→Makes。
3、以辅音字母加y结尾的动词,去y加-ies:Attend→Attends;Carry→Carries。
4、以-ch、-sh、-z、-x结尾的动词,加-es:Watch→Watches;Rush→rushes;Fizz→Fizzes;Fix→Fixes。
5、有些双写的字母,加-es,例如:Dr ess→Dresses;Miss→Misses;Wish→Wishes;Buzz→Buzzes。
6、有的动词的变化太多了,只能熟记:Be→Is;Have→Has;Know→Knows。
7、有的动词,复杂到没有规律可言,只能记忆:Cut→Cuts;Put→Puts;Shut→Shuts。
三、谓-补结构在句子中,一般第三人称单数形式,后面跟be动词和介词短语形成谓-补结构:1. 用is结构:He is at home.2. 用are结构:They are in the room.3. 用am结构:She am in the study.4. 用has/have结构:He has a nice watch.以上是关于第三人称单数构成及变化规则的介绍,大家要好好记忆,日积月累,运用起来就很自然了。
动词三单的变化规则
动词的三单形式是指在第三人称单数主语(he、she、it)下的动词变化。
一般情况下,在动词三单形式中,动词要加-s、-es或-ies。
具体的变化规则如下:
1. 一般规则:大多数动词在第三人称单数时,直接在动词原形后添加-s。
例如:play → plays,talk → talks,run → runs。
2. 以-s、-ss、-sh、-ch、-x、-o结尾的动词:在这些动词的第三人称单数形式中,要在动词原形后添加-es。
例如:pass → passes,brush → brushes,wash → washes,watch → watches。
3. 以辅音字母+y结尾的动词:如果辅音字母y前面是元音字母,则直接在动词原形后添加-s。
例如:play → plays。
如果辅音字母y前面是辅音字母,则将y改为i,再加-es。
例如:carry → carries,study → studies。
4. 不规则变化的动词:有一些动词的第三人称单数形式变化不遵循以上规则,需要记忆这些不规则变化。
例如:be → is,have → has,do → does,go → goes。
需要注意的是,动词的三单形式还会受到时态、语气和语法结构等因素的影响,有时会发生变化。
因此,需要根据具体的语境来确定动词的变化形式。
英语动词第三人称单数变化规则一般现在时的肯定句中,主语为第三人称单数的动词变化主要体现在词尾的变化上,其规律为:1、变否定句:含有动词第三人称单数形式的句子变否定句时,要在动词前面加上doesn’t 或does not,动词的第三人称单数形式要还原成原形:格式为doesn’t/does not + 动词原形,如:He goes to school at six in the morning. (变否定句)→He doesn't go to school at six in the morning.2、变一般疑问句:把含有动词第三人称单数形式的变成一般疑问句时,要借用助动词does,如:She goes home at five every day.→Does she go home at five every day?--- Yes, she does./No, she doesn’t.3、对划线部分进行提问(变特殊疑问句):一般格式为Whxxx + 一般疑问句?She goes home at five every day. (对划线部分提问)→When/What time does she go home every day?She goes home at five every day. (对划线部分提问)→Who goes home at five every day?She goes home at five every day. (对划线部分提问)→What does she do at five every day?哪些主语是第三人称单数?1、人称代词he, she, it;如:He likes watching TV. 他喜欢看电视。
She has lunch at twelve. 她十二点吃午餐。
It looks like a cat. 它看起来像只猫。
2、单个人名、地名或称呼作主语;是第三人称单数。
英语动词第三人称单数变更规则之杨若古兰创作普通此刻时的肯定句中,主语为第三人称单数的动词变更次要体此刻词尾的变更上,其规律为:要在动词前面加上doesn’t 或does not,动词的第三人称单数方式要还原成本相:格式为doesn’t/does not + 动词本相,如:He goes to school at six in the morning. (变否定句)→He do esn't go to school at six in the morning.2、变普通疑问句:把含有动词第三人称单数方式的酿成普通疑问句时,要借用助动词does,如:She goes home at five every day.→Does she go home at five every day?--- Yes, she does./No, she doesn’t.哪些主语是第三人称单数?1、人称代词he, she, it;如:He likes watching TV. 他爱好看电视.She has lunch at twelve. 她十二点吃午饭.It looks like a cat. 它看起来像只猫.2、单个人名、地名或称呼作主语;是第三人称单数.如:Han Mei looks like her mother. 韩梅看起来像她的母亲.Beijing is in China. 北京在中国.Uncle Wang often makes cakes. 王叔叔经常做蛋糕.3、单数可数名词或this / that / the+ 单数可数名词作主语时,是第三人称单数;A horse is a useful animal. 马是有效的动物.This book is yours. 这本书是你的.That car is red. 那辆小汽车是红色的.The cat is Lucy's. 只猫是露茜的.4、不成数名词作主语时为第三人称单数.如:The milk is in the glass.牛奶在玻璃杯里.The bread is very small. 那面包很小.The water is very cold. 那些水很凉..例题带路:1、写出以下动词的第三人称单数.drink ________ go _______ stay ________ make ________ look _________have_______ pass_______ carry _______ come________ watch________plant_______ fly ________ study_______ brush________ teach________2、用括号内动词的适当方式填空.1.He often ________(have) dinner at home.2.We _____________ (not watch) TV on Monday.3.Nick ___________ (not go) to the zoo on Sunday.4.________ they __________ (like) the World Cup?5.What _________they often _________ (do) on Saturdays?6._________ your parents _________ (read) newspapers every day?7.There ________(be) some water in the bottle.8.My aunt _______(look) after her baby carefully.9.The child often _______(watch) TV in the evening.10. Mike’s sister ________ (cook) nice food. I _______ (like) e atingit very much.21._______ (do) your brother_______ (watch) TV in the evening? No,he_______ (not).3、选出准确的答案:1. She (like / likes) to play football.2. He (like / likes) drinking milk.3. I (like / likes) to watch TV.4. We (like / likes) to play badminton.5. They (like / likes) to sing songs.6. She (read / reads) books every day.7. He (play / plays) computer games every day.8. It (listen / listens) to the radio every day.9. Linda (draw / draws) pictures every day.10. Jane and Linda (play / plays) football every day.5、把以下句子变成否定句:1. We like playing football.2. Linda swims every day.3. They like playing games.4. My father reads newspaper in the evening.7、把以下句子变成疑问句,并做肯定和否定回答.1. My brother can ride a horse.4. We clean the classroom after school.________________________________________________________ ___。