`-` Thì HTĐ :

`+` KĐ : S + Vs / es `-` S + is / am / are + adj / n

`+` PĐ : S + don't / doesn't + V `-` S + isn't / 'm not / aren't + adj / n

`+` NV : Do / Does + S + V ? `-` Is / Am / Are + S + adj / n ?

`=>` `DHNB` : usually , often , sometimes , never , always , every , ...

`*` I `+` am ( not ) `-` V-inf

`*` He , She , It `+` is ( not ) `-` Vs / es

`*` You , We , They `+` are ( not ) `-` V-inf

`=>` Dùng để diễn tả hành động xảy ra ở Hiện tại hoặc nói về sự thật

`Ex.1`.

`1`.makes

`2`.doesn't eat

`3`.goes

`4`.Do ... go ?

`5`.Do ... agree ?

`6`.does ... come ?

`7`.does ... work ?

`8`.doesn't usually water

`9`.does

`10`.eat

`Ex.2`.

`1`.starts

`2`.likes

`3`.bake

`4`.writes

`5`.takes care

`6`.has

`7`.swim

`8`.helps

`9`.is / tells 

`10`.are

`Ex.3`.

`1`.gets `->` get

`\text{# TF}`

Công thức thì HTĐ (V: tobe)

(+) S + am/is/are ..

(-) S + am/is/are + not .. 

(?) Am/Is/Are + S + ... ? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

Công thức thì HTĐ (V: thường)

S số ít, he, she, it 

(+) S + Vs/es

(-) S+ doesn't + V1 

(?) Does +S +V1?

S số nhiều, I, you, we, they

(+) S + V1 

(-) S+ don't + V1 

(?) Do + S+ V1? 

DHNB: always, usually, sometimes, often, never, seldom,....

----------------------------------------------------------

EX1:

1. makes

DHNB: always 

2. doesn’t eat 

3. goes

DHNB: every week

4. Do / go 

DHNB: every day 

5. Do / agree 

6. does / come 

7. does / work 

8. doesn’t / water 

9. does 

10. eat

DHNB: once a month 

EX2:

1. starts 

DHNB: every Thursday 

2. likes

3. bake

DHNB: twice a month 

4. writes 

DHNB: every week

5. takes care

DHNB: always 

6. has 

DHNB: every year 

7. swim

DHNB: twice a week 

8. helps 

9. is / tells

DHNB: always 

10. are

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