Exercise 4. Add -s / -es  to the following verbs.
1 . teaches                                      9. buzzs____________
2. Flys                                       10. watches ____________
3. runs____________                 11 . sits____________
4. pushes ____________               12. guesses ____________
5. fixs ____________                   13. stops ____________
6. does ____________                   14. worrys ____________
7. dances____________              15. finishes ____________
8. goes ____________                    16. have _____has_______

1 . teaches                                      9. buzzes ____________
2. Flies                                        10. watches ____________
3. runs ____________                 11 . sits ____________
4. pushes ____________               12. guesses ____________
5. fixes ____________                   13. stops__________
6. does ____________                   14. worries___________
7. dances ____________              15. finishes ____________
8. goes ____________                    16. has ____________

1 . teach       teaches                               9. buzz ______buzzs______
2. Fly              flies                            10. watch ___watches_________
3. run ______runs______                 11 . sit ______sits______
4. push _____pushes_______               12. guess ____guesses________
5. fix ______fixes______                   13. stop _____stops_______
6. do ______does______                   14. worry _____worries_______
7. dance ___dance_______              15. finish ____finishes________
8. go _____goes_______                    16. have ____haves________

1 teaches
2 flyes
3 runs
4 pushes
5 fixes
6 does
7 dances
8 goes
9 buzzes
10 watches
11 sits
12 guesses
13 stopes
14 worryes
15 finishes
16 has
nhớ chấm điểm nhé ^^