`-` Thì HTĐ ( `Ex.1` ) :

`+` 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 , always , ...

`-` Thì HTTD ( `Ex.2` ) :

`+` KĐ : S + is / am / are + V-ing

`+` PĐ : S + isn't / 'm not / aren't + V-ing

`+` NV : Is / Am / Are + S + V-ing ?

`=>` `DHNB` : at the moment , now , at present , ...

`Ex.1`.

`1`.am

`2`.doesn't study

`3`.aren't

`4`.has

`5`.have

`6`.Does ... live ?

`Ex.2`.

`1`.isn't reading

`2`.are ... doing ?

`3`.are working

`4`.isn't listening

`5`.is sitting

`6`.are ... studying ?

`7`.is always making

`8`.is

`9`.is wearing

`10`.is getting

`\text{@ Tails347}`

=>

I/

1. am

2. doesn't study

3. aren't

4. has

5. have

6. Does she live

Thì HTĐ

Với động từ tobe:

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

(-) S is/am/are not...

(?) Is/Am/Are S...?

Với động từ thường

(+) S Vs/es

(-) S doesn't/don't V

(?) Does/Do S V?

II/

1. isn't reading

2. are you doing

3. are working

4. isn't listening

5. is sitting

6. are you studying

7. is always making

8. is your husband

9. is wearing

10. is getting

Thì HTTD

(+) S is/am/are Ving

(-) S is/am/are not Ving

(?) Is/Am/Are S Ving?