WRITE THE THIRD PERSON SINGULAR: I teach - He... teaches... We study - She They fly - It They wash - She I clean - He We play - She You watch - He You like - He I go - She They bark - It .......... I carry - He We cry - She............ They fix - He.................. I smoke - She .......... We swim - She ..................... I buy - He......... They write - He You sing - He............ We think - He

Here are the third-person singular forms of the verbs:

1. I teach - He teaches
2. We study - She studies
3. They fly - It flies
4. They wash - She washes
5. I clean - He cleans
6. We play - She plays
7. You watch - He watches
8. You like - He likes
9. I go - She goes
10. They bark - It barks
11. I carry - He carries
12. We cry - She cries
13. They fix - He fixes
14. I smoke - She smokes
15. We swim - She swims
16. I buy - He buys
17. They write - He writes
18. You sing - He sings
19. We think - He thinks