`I`
`1 `: I dont study French
`2` : School doesn't finish at two o'clock
`3` : You don' t copy from other student
`4` : We don't think english easy
`5` : My frieng don't play volleyball
`6` : I don't watch TV on saturday morning
`7` : She doesn't speak chinese
`8` : The dog doesn't like cat
GT : `1`→`8` ⇒ HTĐ  thể phủ định :     S + don't / does'nt  + V
Chủ ngữ : I , You , We , They ↔ don't
                 He , she , Ít ↔ does'nt
`II`
`1`-am
`2`-doesn't study
`3`-aren't

`4`-has

`5`-have

`6`-does she live

`7`- where are your children

`8`-words

`9`-likes

`10`-lives

`11`-rains

`12`-fly

`13`-fries

`14`-closes

`15`-tries - don't think

`16`-passes

`17`- is - watch

`18`-writes

`19`- do you speak

`20`- doesn't live5

`III`. Chia đông từ sử dụng thì Hiện tại đơn

`1` wears

`2` love

`3` rises

`4` don't go

`5` enjoys

`6 `doesn't lend

`7` like

`8` doesn't collect

`9` goes

`10` snows

`11` wash

`12` eat

`13` Does he type

`14`doesn't wor

`15` makes

`16 `doesn't come

`17 `Do you like

`18` Does she walk

`19` speaks

`20` barks

`21` Does - read

`22` Do - sleep

I

1 study => don't study

2 finishes => doesn't finish

3 copy => don't copy

4 think => don't think

5 play => don't play

6 watch => don't watch

7 speaks => doesn't speak

8 likes => doesn't like

II

1 am

2 doesn't study

3 don't 

4 has

5 have

6 Does she live

7 are your children

8 works

9 like

10 is

11 rains

12 are

13 fries

14 closes

15 tries - don't think

16 passes

17 is - watch

18 writes

19 Are you

20 doesn't live

III

1 wears

2 love

3 rises

4 don't go

5 enjoys

6 doesn't lend

7 like

8 doesn't collect

9 goes

10 snows

11 wash

12 eat

13 Does he type

14 doesn't wor

15 makes

16 doesn't come

17 Do you like

18 Does she walk

19 speaks

20 barks

21 Does - read

22 Do - sleep