单三形式变化规律：
1.多数在动词后加-s ，如：play—playslike—likes
2.以s，x，sh，ch，o结尾的动词加-es 如：go—goeswash—washes，
3.以辅音字母加y结尾，把y改i再加es，如：fly—flies
一般现在时练习题:
一. 写出下列动词的单三形式.
drink______ go_____ stay_____make_____look_____have_____ pass_____carry______come______watch_____ plant______fly_____study_____brush_______do_____teach_____play_____buy____
talk______ forget________ hope______stop______ perform_________ play______ say_____ _buy______worry________fly______ study_______ like_______ take______ love_______recite_______ become________ drive_______ shine_______ leave_______wake______ _ride_______ write_______
hike______ give_____ _see______swim_____ _stop______ shop_______ plan______ get_______ sit_______let_______ cut_______ run_______
forget_______ begin______ _wash______ finish________
teach_______reach_______
二．用所给词的适当形式填空.
1.We often _____ (play) in the playground.
2. He _____(get) up at six o’clock.
3. _____ you (brush) your teeth every morning.
4. What (do) he usually(do) after school?
5. ______ they ________(like) the World Cup?
6._____Mike sometimes _____ (go) to the park with his sister？
7. She _____ (watch) TV with his parents every night.
8. _____Mike_____ (read) English every day?
9. How many lessons_____your classmate_____(have) on Monday?
10. What time _____ his mother _____ (do) the housework?
11.He usually _____ (get)up at six in the morning.
12.She______(have) blues eyes.
13.We _______(go ) to school every day
14.The boy _________(like) playingfootball.
15.We_______(have)no classes on Sundays.
16.She________(write) to her mother once a week.
17.It _____(rain)quite often during the month of July every year.
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