` HTĐ ` 

` ( + ) ` : S + Vs/es

` ( - ) ` : S + don't / doesn't + V nguyên mẫu

` ( ? ) ` : Do / does + S + V Nguyên mẫu

`DHNB ` : 

` + ` : always

` + ` : usually

` + ` : seldom

` + ` : once a week

` + ` : twice a week

` + ` : ...

` 1 `  : go

` 2 `  : goes

` 3 `  ; work

` 4 `  : rains

`  5 ` : waters

` 6 ` : cooks

` 7 `  :meet

` 8 `  : doesn't do

` 9 ` : boils

` 10 `  : Are you a good student ?

Exercise 3: Give the corret tense form of the verbs:

He/she/it + Vs/es

I/you/we/they + V

1.They often go to school on foot.

2.She goes to the park everyday.

3.Bad students never work hard.

4.It often rains in the summer.

5.He usually waters the trees in the morning.

6.She always cooks in the morning.

7.I always meet him on the corner of this street.

8.He doesn't do morning exercise regularly.

9.Water boils at 100 degrees centigrades.

10.Do you is a good student?

@Sumiko

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