第三人称单数动词变化规则 PPT

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动词第三人称单数的变化规则

动词第三人称单数的变化规则
1.大部分动词，构成第三人称单数的形式，直接在词尾加“s”
2.“s”发音规则
所加的“S”在清辅音（无声子音）后发为[s]的音，在浊辅音（有声子音）及元音（母音）后发[z]的音。

所加的“S”在[t]后可以与[t]一起发[ts]的音，在[d]后与[d]一起发[dz]的音
词尾为“s, x, ch, sh”的动词
1.词尾是“ch，sh，s，x”的原型动词，在词尾加“es”构成第三人称单数的形式。

2.词尾所加得“es”，发[iz]的音
词尾为“O”的动词
1.词尾是“O”的原型动词，在词尾加“es”构成第三人称单数的形式。

2.词尾所加得“es”，发[z]的音
词尾为“辅音字母+y”
1.词尾为：辅音字母+y的动词，构成第三人称单数的形式要先将“y”变为“i”，再加“es”
2.“es”发[iz]的音。

特殊例子
1.have的第三人称单数形式为has 。

1
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小学英语一般现在时第三人称单数动词三单变化规则课件ppt

动词的三单变化
1、She studies English well. 2、Mike flies a kite. 3、Lucy play games every day. 4、The girl carries the box.
动词的三单变化 4、特殊变化
have — has go — goes do — does
单项选择
1.Ben_____a new bicycle. A.have B.has C.are D.were 2.Kitty_____her bicycle to the park. A.ride B.riding C.rides D.ridden 3.A man _____in front of his car. A.walk B.walks C.walking D.work 4.Sam’s bicycle ______a bell. A.have B has C.having D.is having 5.The girl _______ “Excuse me” A.say B.saying C.says D.sayes
单项选择
6.Mike______not like his bike. A.do B.is C.does D.are 7.He ______apples. A.likes B.like C.does D.are 8.He_______with his nose. A.smelling B.smells C.smell D.is smell 9.Lucy_______with her hands. A.touch B.touching C.touches D.touchs
studies finishes has lunch runs buys
综合练习

动词《第三人称单数形式》的变化规则

动词《第三人称单数形式》的变化规则动词的第三人称单数形式变化规则大致分为以下几种：
1. 一般规则：在动词原形后面添加 -s 或 -es。

例如：watch（观看）---> watches（观看，第三人称单数形式）；
go（去）---> goes（去，第三人称单数形式）。

2. 以辅音字母 + y 结尾的动词，去除 y，变为 i，并添加 -es。

例如：study（学习）---> studies（学习，第三人称单数形式）；
try（尝试）---> tries（尝试，第三人称单数形式）。

3. 以 "o", "s", "x", "ch", "sh" 结尾的动词，添加 -es。

例如：do（做）---> does（做，第三人称单数形式）；pass（通过）---> passes（通过，第三人称单数形式）。

4. 特殊规则，如动词 "have" 变为 "has"、动词 "be" 变为 "is"等。

需要注意的是，以上规则只适用于一般情况，也有一些不规则的动词
变化形式。

所以，在学习动词时，最好熟悉常见动词的变化规则，也要记
住一些常见的不规则动词。

英语动词第三人称单数ppt课件

2).Beijing is in China. 北京在中国.
3). Uncle Wang often makes cakes.王叔叔经常做蛋糕.
认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“ 精准扶贫”项目
3.单数可数名词或 “this/that/the + 单数可数名词”
"don't, doesn’t”.
• 背：I do, you do, we do, they do,
Jack and Tom do. He does, she
does, it does, Lily does.
• 1. [Do/Does]______ he watch TV at 认识到了贫困户贫困的根本原因，才能开始对症下药，然后药到病除。近年来国家对扶贫工作高度重视，已经展开了“精准扶贫”项目 night? Yes, he does.
用 have或has填空。
• 1．I ___h_a_v_e__ a nice picture. • 2．He ___h_a_s___ a good friend. • 3．They __h_a_v_e____ some kites. • 4．We ___h_a_v_e__ some flowers. • 5．She ____h_a_s____ a duck. • 6．My father ____h_a_s____ a new bike. • 7．Her mother ___h_a_s____ a vase. • 8．Our teacher ___h_a_s____ an English
• 5. [Do/Does]______they play football? Yes, they ___[do/does].

英语动词《第三人称单数形式》的变化规则

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：规则原形第三人称单数形式1、一般情况下，直接在动词词尾+s gettakeplaygetstakesplays2、以s, x, sh, ch, o结尾的动词，在词尾+ es guessfixfinishteachgo和doguessesfixesfinishesteachesgoes和does3、以辅音字母+ y 结尾的动词，先把y变为i，再加es studytryflycarryworrystudiestriesfliescarriesworries4、不规则动词（特殊情况）havebehasis1、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.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。

如：Han Mei looks like her mother. 韩梅看起来像她的母亲。

第三人称单数课堂ppt课件

5
篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统
第三人称单数动词变化的运用条件：
1. 一般现在时或是现在进行时 eg. I am busy.
2. 主语为第三人称单数,单数名词当主语时 eg. She, he, it, Lucy, Kate, Li Ming.
The bread is big.
33
篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统
七. 当数字或字母作主语时，看作第三人称单数。
"6" is a lucky number.
"6"是个吉利数字。
34
篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统
篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统
I like English. He/ She likes English. Angle likes English.
1
篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统
eat fish
My cat eats fish everyday.
14
篮球比赛是根据运动队在规定的比赛时间里得分多少来决定胜负的，因此，篮球比赛的计时计分系统是一种得分类型的系统
play basketball

动词第三人称单数课件

Tom passes the exam. Jenny passes the exam. She passes the exam. He passes the exam. It passes the exam.
观察左边的句子，是在pass后加-es，变成passes
She He It 单数 passes
学以致用，把下面的句子改成否定句
1.He has dinner at home. 2.We watch TV on Monday. 3.Nick goes to the zoo on Sunday. 4.She and I take a walk together every evening. 5.Mike likes cooking.
I You We They 复数 have
动词原形
She He It 单数 has
动词三单
动词原形变动词三单规则
1. have→has
学以致用，用have或者has填空
Zhou
规则2
I like salad. You like salad. Tom and Jenny like salad. We like salad. They like salad. You like salad.
观察左边的句子，什么情况下用 like?
I You We They 复数 like
动词原形
Tom likes salad. Jenny likes salad. The dog likes salad. She likes salad. He likes salad. It likes salad.
动词三单
动词原形变动词三单规则
1. have→has 2.在动词词尾加-s like→likes know→knows

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11.I played football yesterday. 12.I bought a new coat last
week. 13.I have had a letter from
Tom. 14.I was busy this morning. 15.I could play football very
eg. They went to the park yesterday. 2）表示过去经常发生的动作或状态
eg. They always came to help us those days. 3. 动词变化规则 1）直接加-ed：work-worked 2）以e结尾的单词，直接加-d：live-lived 3）以辅音字母+y结尾的，变y为i加-ed：study-studied 4）以元音字母+y结尾的，直接加-ed：enjoy-enjoyed 5）以重读闭音节结尾的，双写最后的辅音字母加-ed： stop-stopped
night.
He played football yesterday. He bought a new coat last
week. He has had a letter from Tom. He was busy this morning. He could play football very
I have a new book. 我有一本新书。 2）表示“某一个”，意为a certain
A Mr. Wang is waiting for you. 有位姓王的先生在等你。 3）表示一类人或物
A knife a tool for cutting with. 刀是切割的工具。 Mr. Smith is an engineer. 史密斯先生是工程师。 4）组成词组或习语 a little, a few, a lot (of), a type of, a great many, many a, as a rule, in a hurry, in a minute, in a word, in a short while, after a while, have a cold, have a try, keep an eye on, all of a sudden…
10.Are there any eggs in that basket?
语法小结：a/an, some和any的用法
1.不定冠词a和an的用法： a和an是不定冠词，表示泛指，常用于可数名词的单数形式前。
a用在以辅音发音开头的单词前，e.g. a university student, a one-eyed elephant; an用在以元音发音开头的单词前，e.g. an hour, an X-ray machine。 1）表示“一个”，意为one
many和much做形容词时都表示“许多”的意思，但是，many用于修饰可数名词的复数形式，而much 用于修饰不可数名词。
D. Write these sentences again. Use simple past tense.
1. He buys a new car every year. 2. She airs the room every day. 3. He often loses his pen. 4. He always listens to the news. 5. She empties this basket every day.
1. I am busy.
He is busy.
2. I am learning English.
He is learning English.
3. I have a new book.
He has a new book.
4. I live in the country.
He lives in the country.
C. Write these sentences again. Use many or much.
1. I haven’t any butter. 2. You haven’t any cigarettes. 3. We haven’t any milk. 4. She hasn’t any biscuits. 5. They haven’t any stationery.
have
have
has
be
am
is
一般将来时助动词
shall
will
2. 同型的情况
1）情态动词：can, must, may, could, should, might, would… 2）一般过去时：looked, taught, studied, did, went, had, was…
B. Write these sentences again. Put in a, some or any.
1. There are some books on the desk.
2. I drank a glass of beer.
3. Do you want
any
butter?
4. There aren’t any people in the street.
5. Tom has just bought a new car.
I have some work to do this evening. 今晚我有一些事要做。 Some mushrooms are poisonous. 有些蘑菇是有毒的。 3）表示“好些”，“好几个”，“不少” He lived in London for some years. 他在伦敦住了好几年。 3. 形容词any的用法： any 既可以修饰可数名词又可以修饰不可数名词，常用在否定、疑问句和 if从句中。 1）表示“任一“，”每一” He wanted a job, any sort of a job. 他需要一份工作,任何工作都行。 2）若干，一些，一点，丝毫 If there is any trouble, do let me know. 如遇到麻烦,务必告诉我。 I haven‘t any money to spare. 我的钱都用光了。 Are there any letters for me? 有我的信吗? 3）尽可能多的，所有的 Send me any data you can find. 把你能找到的所有资料送来给我。
E. Complete these sentences. Use simple
past tense.
5. He gave you a pen.
1. He bought a new car. Q: Did he buy a new car? Q: What did he buy? N: He didn’t buy a new car. 3. They were here
film? N: You didn’t see that film. 10.He arrived at two o’clock. Q: Did he arrive at two
o’clock? Q: When did he arrive?
N: He didn’t arrive at two
o’clock.
2. 形容词some的用法： some既可以修饰可数名词又可以修饰不可数名词，常用在肯定句中。
1）用来修饰名词的单数形式，表示“某一”或“某个” She is playing chess with some boy. 她在和一个男孩下棋。
2）用来修饰名词的复数形式或不可数名词，表示“某些”，“若干”，“一部分的”，“一些”
第三人称单数动词变化规则
PRE-UNIT TEST 1
A. 第三人称单数动词变化规则 B. a/an, some和any的用法 C. many和much的用法 D. 一般过去时 E. 一般疑问句、特殊疑问句和否定句 F. 形容词与副词 G. 物主代词 H. 介词 I. 定语从句
A. Write these sentences again. Begin each sentence with He.
well when he was young. He always tries to get up
early. He might see you next week. He always enjoys a good film. He had finished my work. He watches television every
well when I was young. 16.I always try to get up early. 17.I might see you next week. 18.I always enjoy a good film. 19.I had finished my work. 20.I watch television every
I haven’t got much butter. You haven’t got many cigarettes. We haven’t got much milk. She hasn’t got many biscuits. They haven’t got much stationery.
语法小结：many和much的用法
5. I shall see you tomorrow. He will see you tomorrow.
6. I can understand you.
He can understand you.
7. I must write a letter.
He must write a letter.
8. I may come next week.
He may come next week.
9. I do a lot of work every day. He does a lot of work every day.