动词三单形式和句型转换讲解

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翘楚教育内部资料

小学英语动词的三单形式讲解

大家都知道,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-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: 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。 二、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。

三、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。如: A horse is a useful animal. 马是有用的动物。 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. 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:

Everyone is here. 大家到齐了。 There is something wrong with the watch. 这块手表有毛病。 This is a pen. 这是一支钢笔。 That is a rubber. 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:

The milk is in the glass. 牛奶在玻璃杯里。 The 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"6" is a lucky number. "6"是个吉利数字。 ②"I" is a letter. "I"是个字母。 第三人称单数形式的构成

1. 一般直接在词尾加 s 如:work-works live-lives make-makes

2. s,x,ch ,sh等结尾的单词加 es , 如: miss-misses fix-fixes finish-finishes teach-teaches 3.以辅音字母加y结尾的单词,变yi es , 如: fly-flies 4.以辅音字母加o结尾的单词,加 es : go-goes do-does


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写出下列动词的第三人称单数。 go do play swim run put dance come get fly study read look drink eat . 根据括号里单词的适当形式填空

1. She _____ (be ) a writer. 2. It _____(look) like a monkey. 3. We_____(go) to the park. 4. He _____(go) to school.

5. Amy_____(like) eating fruits. 6. Hebei_____(be) next to Shandong. 7. Our teacher _____(be) talking with John. 8. Whose book _____(be) this ? 9. Dogs _____(be) our friends . 10. That blackboard _____(be) clean. 11. The desk _____(be) Toms. 12. Somebody _____(do) her homework . 13. Everybody _____(is ) ok! 14. Nobody _____ (be) in the park .

15. That cat _____(be ) mine . 16.There _____besomeone in the classroom . 17. A little water _____(be) in the cup. 18. Cheese _____taste well .

19. The letter O _____(look) like zero. 20. 4 _____(be) a bad number in China . . 把下列句子改成第三人称单数句的肯定句、否定句、一般疑问句,并做回答。 1. I like playing the pinao in the music room . (Tom)

2. You need a pencil-box for new term . (Sams sister)

. 3.I do my homework at half past four in the afternoon . she . 4. I have breakfast at twenty-five past seven in the morning . (her father ) . 5. I watch TV at quarter past six with my parents . (Toms sister)

.

jump sing have write walk


翘楚教育内部资料

小学英语句型转换的方法

基本助动词只有三个:be, do, have, 他们没有词汇意义,只有语法作用,如协助构成进行体,完成体,被动态,否定句,疑问句等。它们因此也被称为功能词。 一、 肯定句改否定句的方法

1 be动词后加not。如:is not are not am not was not were not 2 在情态动词canmay, must, shall ,shouldwill, would , need 等后加not 如:cannot should not will not (wont, cant, shant)

3 上述都没有的,在动词前加助动词否定形式dont/ doesnt/ didnt 4 some 改成any, too 改成either, already 改成yet等。

二、 肯定句改一般疑问句的方法(一提二改三问号/ 一加二改三问号) 1 be动词放在句首,剩下的照抄,some 改成anymy改成your等)句点改成问号。 2 canshall will等放到句首,剩下的照抄,some 改成anymy改成your等)句点改成问号。 3 上述都没有的,在句首加助动词Do/Does/Did帮忙,剩下的照抄,some 改成anymy改成your等)句点改成问号。

把下列句子变成一般疑问句 1. I am listening to music.

_______________________________________ 2. Mike is a student.

_______________________________________ 3. Sarah can clean the classroom.

________________________________________ 4. They are in the zoo.

________________________________________ 5. There are some flowers in the vase. ________________________________________ 6. This is my sister.

_________________________________________ 7. We are sweeping the floor.

__________________________________________ 1. We need some masks.

_________________________________ 2. They like making the puppet.

_________________________________ 3. Su Hai and Su Yang live in a new house.

_________________________________________________ 4.I put a book on my head.

_________________________________________________ 5. They sing “In the classroom” together.

_________________________________________________ 6.We play basketball on Sundays.




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