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三单变化规则

动词三单变化规则与练习

?变化规则:

?1.一般情况下,直接加-s,如:play-plays, walk-walks

?2.以s,x,ch,sh及部分o结尾,加-es,如:pass-passes,fix—fixes, wash-washes, watch-watches, go-goes,do-does

?3.以“辅音字母+y”结尾,去y为i, 再加-es,如:study-studies

? fly--flies

练习:

写出下列动词的三单数形式

1. work_______

2. watch_________

3. clean________

4. write_______

5. teach_______

6. wash__________

7. have_______

8.read________

9. go__________

10. do__________

11. fly________

12. study_______

13.She ---------- (watch) TV.

I ---------- (watch) TV.

答案:

1.

1.works

2. watches

3. cleans

4. writes

5. teaches

6. washes

7. have__has_____

8.reads

9. goes

10. does

11. fly___flies_____

12. study_studies______

13.She watches(watch) TV.

I watch(watch) TV.