Bài 4

1 is=> does

2 go=> goes

3 is=> bỏ

4 don't =>doesn't 

5 play sometimes=> sometimes play

6 isn't=> doesn't

7 has=> have

8 goes =>go 

9 plays=> play

10 goes =>go

Bài 5

1 eats=> eat

2 is=> bỏ 

3 doesn't=>  is

4 buyes=> buy

5 rain=> rains

6 circle=> circles

7 are =>bỏ

8 flow usually=> usually flow 

9 doesn't go=> goes

10 is belong=> belongs

VII 

1,is -> does 

2,go -> goes 

3,is -> bỏ 

4,Don't -> Doesn't 

5,play sometimes -> somtimes play 

6,isn't -> doesn't 

7,has -> have 

8,goes -> go 

9,plays -> play 

10,goes -> go 

VIII

1,eats -> eat 

2,is -> bỏ 

3,doesn't often -> isn't often 

4,buyes -> buys

5,rain -> rains

6,circle -> circles 

8,flow usually -> usually flow 

7,are -> bỏ

9,always doesn't -> doesn't always 

10,is belong ->belongs 

#good_luck