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一般现在时主语单三人称时的动词变化
① 在一般现在时中，当主语为第三人称单数时，动词要用“s”型（即第三人称单数形式）。 ② 所谓动词“s”型的构成，与名词变复数相似，即：
a） 在动词尾直接加 s。如：
play—plays， want—wants， work—works， know—knows， help—helps，get—gets b） 以字母s、ss、x、ch、sh或o结尾的动词加-es；如：
guess—guesses， fix—fixes， teach—teaches， brush—brushes， go—goes，do—does，watch —watches，catch—catches
c）以辅音字母＋y结尾的动词，先变y为i，再加-es。如：
study—studies，carry—carries，fly—flies，worry—worries
第三人称单数练习
一．请选出正确的答案：
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.
二．请用动词的适当形式填空。
1. Let him _____(play)basketball.
2. Everyone_____(know)what he really like. 3. Those girls____(be)my sister.
4. That girl_____(call)me every Sunday. 5. How___(do)she_____(spell)the word? 6. He________ TV every evening. (watch)
7. We always ________ to school on foot. (go)
8. Tom, with his classmates, often ______ football after school. (play) 9. Your shoes _______ under the bed. (be)
10. ______ here and ______ by me. (come, stand)
11. His uncle usually _________ to work by bus. (go) 12. I always ______ up at six in the morning.(get) 13. John ________ like his father. (look)
三．请用 have或has填空。
1．I ________ a nice picture. 2．He ________ a good friend. 3．They _________ some kites.
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4．We ________ some flowers. 5．She __________ a duck.
6．My father __________ a new bike. 7．Her mother _________ a vase.
8．Our teacher _________ an English book. 9．Our teachers _________ a basketball.
10．Their parents __________ some story books. 11．Nancy _______ many skirts. 12．David ________ some jackets. 13．My friends ________ a football. 14．What do you ________ ? 15．What does Mike ________ ?
四．否定句:在动词前+doesn't或don't.
1. She_____ _____(do)her homework every day. 2. He_____ _____(live)in Shanghai. 3. He_____ _____(need)a pair pf shoes. 4. Danny_____ _____(see)the apple tree? 5. She_____ _____(come)from America.
6. The girl_____ _____(look)out of the window and sees many birds in the sky.
五．Do还是Does我来选 。
1. [Do/Does]______ he watch TV at night? Yes he does.
2. [Do/Does]______ you go to school everyday? No, I don’t. 3. [Do/Does]______ Jack and Peter like apples? 4. [Do/Does]______ Tina go swimming on Sunday?
5. [Do/Does]______they play football? Yes, they ___[do/does].
6. [Do/Does]______ we have a good teacher? Yes, we ____[do/does]. 7. [Do/Does]_____ they jump rope ? No, they ___[do not/does not]. 8. [Do/Does]_____your dog walk in the zoo?
9. [Do/Does]____ I have a big nose? No, you _____[do not/does not]. 10. [Do/Does]____ your cats eat fish? Yes, they _____.[do/does].
11. [Do/Does]_____ their mothers go shopping? No, they ____[do not/does not]. 12. I ___[do not/ does not] speak Japanese. [Do/Does] _____you speak Japanese?
六．请用动词的适当形式填空。
1._____the desk_____(have)four legs? Yes, it does.
2._____she____(do)her homework every day? Yes, she does.
3._____he_____(live)in Jinan? No, he doesn't.
4._____he_____(need)a pair of shoes? NO, he doesn't.
5. Does Danny_____(see)the apple tree? 6._____she_____(come)from America?
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Yes, she_____.
7._____the girl_____(look)out of the window and sees many birds in the sky? No, she_____.
8. Jenny runs home and_____(sit)on the chair?
七、选择题：
1. I _____ to school every day. A. go B. goes C. going 2. He _____ teeth every morning.
A. brush B. brushes C. brushing 3. The birds_____ singing.
A. like B. likes C. like to 4. What does Lily _____ doing? A. like B. likes C. to 5. _____ you like eating apples? A. Do B. Does C. Doing
6. _____ he swim every afternoon? A. Do B. Does C. Doing
7. Tom likes _____ in the classroom. A. singing B. sing C. to singing 8. –Does Sally like swimming? --No, she .
A. do B. does C. doesn’t
9. Peter and Mary _____ milk every day. A. drink B. drinking C. drinks 10. _____ they read English every day? A. Does B. Are C. Do
八、把下列句子变为否定句：
1. She draws pictures every day.
2. We like playing football.
九、把下列句子变为一般疑问句，并做肯定回答。 1. Linda swims every day.
2. They like playing games.
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一般现在时主语三单的动词变化与练习
