1. doesn't drink
drinks
2. is
3. do you do
4. circles
5. see
6. flow
7. washes
8. is / teaches
9. does / don't like
10. don't have / walk
11. studies/ wants
12. likes
13. encourages
14. is living
-> HTTD - now - S là số ít - is - Ving
15. speaks
HTD
+) S+ do/ does + V
-) S+ don't / doesn't + V
?) Do/ does + S + V
I / you / we / they số nhiều V nguyên
She / He / it số ít V thêm s/es
--------------------------------
1. am
2. is
3. are
I + am
She / He / It + is
You / We / They + are