13 I buy-he. buys 14 I teach-he teach 15 I cry-he cries 16 Igo-he goes 17 I sit-he sats I tidy-he titles 18 It

13. I buy - he buys

14. I teach - he teaches

15. I cry - he cries

16. I go - he goes

17. I sit - he sits

18. I tidy - he tidies

Ответ: buys, teaches, cries, goes, sits, tidies