动词 第三人称单数问题
在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。但有些同学们对于哪些主语是第三人称单数还不十分清楚，现归纳总结如下：
一、人称代词he, she, it是第三人称单数。如： ①He likes watching TV. 他喜欢看电视。 ②She has lunch at twelve. 她十二点吃午餐。 ③It looks like a cat. 它看起来像只猫。
二、单个人名、地名或称呼作主语；是第三人称单数。如： ①Han Mei looks like her mother. 韩梅看起来像她的母亲。 ②Beijing is in China. 北京在中国。
③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。 三、单数可数名词或\单数可数名词\作主语时，是第三人称单数。如：
①A horse is a useful animal. 马是有用的动物。 ②This book is yours. 这本书是你的。 ③That car is red. 那辆小汽车是红色的。 ④The cat is Lucy's. 这只猫是露茜的。
四、不定代词someone, somebody, nobody, everything, something等及指示代词this, that作主语时，是第三人称单数。如： ①Everyone is here. 大家到齐了。
②There is something wrong with the watch. 这块手表有毛病。 ③This is a pen. 这是一支钢笔。
④That is an eraser. 那是一块橡皮擦。
五、不可数名词作主语时为第三人称单数。如： ①The milk is in the glass. 牛奶在玻璃杯里。 ②The bread is very small. 那面包很小。
六、当数字或字母作主语时，看作第三人称单数。如： ①\是个吉利数字。 ②\是个字母。
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动词原形变第三人称单数的规则与发音规律同名词单数变复数大致相同，请认真观察。
1、大多数动词在词尾加“S”如： ①stop－stops [s] ; make－makes [s] ②read－reads [z] ; play－plays [z]
2、以辅音字母加“y”结尾的，要先将“y”变为“i”，然后在加“es”读[iz] 如： fly－flies [z]； carry－carries [z] study－studies [z]; worry－worries
3、以“s, x, ch, sh”结尾的，在词尾加“es”，发音为[iz] 如： teach－teaches [iz]; watch－watches [iz]
4、以“o”结尾的动词，加“es”， 如： go－goes [z] do－does [z]
5、不规则变化： - have－has
- Be －am（第一人称单数） is（第三人称单数）
are（第二人称和所有复数）
注：下面几个动词变为单数时，原词的元音部分的发音发生了较大的变化，请注意记忆。 如：
1、do [du:]－does [dz] 2、say [sei]－says [sez]
3、以不发音字母“e”结尾的开音节词，如果尾音是[s]，[z]时，加“s”后字母“e”发音，与所加“s”一起读做[iz]。 如：close－closes [iz]
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====================================================== I. 写出第三人称单数：
wash__washes_______ match __maches_____guess__guesses____
study__studies____ finish__finishes_______ go___goes_____ snow___snows___ carry____carryies_____
II. 用所给动词的适当形式填空：
1. He__waches______ TV every evening. (watch) 2. We always _____goes___ to school on foot. (go)
3. Tom, with his classmates, often ___plays___ football after school. (play) 4. Your shoes ___are____ under the bed. (be)
5. ___Come___ here and __stand____ by me. (come, stand) 6. His uncle usually ___goes______ to work by bus. (go) 7. I always _gets_____ up at six in the morning.(get) 8. John _____looks___ like his father. (look) III. 完成句子
1．该吃晚饭了。It’s time to __have dinner______ ________.
2．你想来点儿面包吗?Would you ____like____ some _____bread___ ?
3．安娜太小，还不能上学。Ann is ___too_____ young ___to_____ go to school. 4．约翰跑得和我一样快。John _runs___ as fast as me.
5．布莱克太太经常在英语上帮助我们。Mrs. black often ___helps_____ us ____with____ our english .
请看下面两组句子，注意区分他们的共同点和不同点。 I go to school every day.
I don't go to school every day.
He goes to school every day. He doesn't go to school every day. Do you go to school every day? Yes, I do. (No, I don't)
Does he go to school every day? Yes, he does. (No, he doesn't)
注：1）第三人称单数用了 does 后面就不用动词的s形式了,而用动词原形. 2）变为疑问句,要在句首加\变为否定句, 要在动词前面加\not\可以简写为 \
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课堂练习
一、把下列句子改成一般疑问句并做肯定、否定回答。 1．I usually get up at six o’clock. Do you usually get up at six o’clock? Yes, I do. No, I don’t.
2. We usually write e-mails on Saturday evening Do you usually write e-mails on Saturday evening? Yes, we do. No, we don’t.
3. They have the same hobby. Do they have the same hobby? Yes, they do. No, they don’t.
4.Suhai and Su yang like listening to music after school. Do Suhai and Su yang like listening to music after school? Yes, they do. No, they don’t.
5.Helen usually watches TV in the evening. Does Helen usually watch TV in the evening? Yes, she does. No, she doesn’t.
二、用词的适当形式填空。
1.What time______ his father______ (do) the work? 2.He _________(get) up at five o’clock.
3._____ you_____ (brush) your teeth every morning? 4.What ____ ( do ) he usually _____ ( do ) after school? 5.Tom ________ ( study ) English, Chinese, Maths, Science and Art at school. 6. Kitty sometimes _____ (go) to the park with his sister. 7.At eight at night, she _____ ( watch ) TV with her parents. 8.________Mike________( read ) English every day?
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9.How many lessons________ your classmates______( have ) on Monday? 10.We often_______ ( play ) football in the playground. 三．选择
( ) 1. _____ you have a book?
A. Do B. Are C. Is D. Have ( )2. They _________ on a farm.
A. working B. is work C. work D. is worked ( ) 3. Does Peter like to watch TV?__________.
A. Yes, he like B. No, he doesn’t C. Yes, he’d like D. No, he likes
( )4. She doesn’t ___ her homework in the afternoon.
A. doing B. to do C. does D. do
( )5. How ______ Mr. Brown _____ to America? A. do,go B. is,go C. does,go D. does,goes ( )6. Where’s my camera? I_______ it.
A. am not finding B. am not seeing C. can’t find D. can’t look at ( )7. How___ he go to work?
He ____ to work by bike.
A. does ;go B. do;goes C. do ;go D. does;goes ( )8. ___ you usually late for school?
No, ___.
A. Do ; I am B. Does ;not C. Are ; I’m not D. Are ; I aren’t
( )9. _____ she _____ home at six every day?
A. Is , leave B. Does , leave C. Is , leaves D. Does , left ( )10. Mr. Yang ______ English this term.
A. teaches our B. teaches us C. teachs us D. teach our
一般现在时练习题/改句子
一般现在时练习题
1. We often___________(play) in the playgound.
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