`1` Hoa often plays badminton in the afternoon.
`2` Lan usually reads books at recess
`3` Ba seldom goes to school by bus
`4` Her father rides his motorbike
`5` Lien's mother teaches Math in our school.
`6` Hoa and Lan are in the same class this year
`7` Nam has short black hair.
`8` Lan introduces to Hoa many news books.
`9` Tam often writes letters to her grand-parents.
`10` They sometimes go fishing with their friends.
Thì Hiện tại đơn
* Với V
(+) S + V ( s-es) + O
(-) S + don't / doesn't + V + O
(?) Do / Does + S + V + O ?
*. Với be
(+) S + is / are / am + O
(-) S + isn't / aren't / amnot + O
(?) Is/ are / am + S+ O ?