`-` 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` : often , always , usually , never , ...

`2`.They're often late

`3`.She doesn't usually go to the swimming pool

`4`.Calum and Jane never go to the theatre

`5`.I always buy a ticket

`6`.You don't often visit

`7`.Our house isn't always warm

`8`.I never go to the cafe

`9`.I don't always go to the library on Fridays

`\text{@ Tails347}`

=>

2. They're often early.

3. She doesn't usually go to the swimming pool.

4. Calum and Jane never go to the theatre.

5. I always buy a ticket.

6. You don't often visit.

7. Our house isn't always warm.

8. I never go to the café.

9. I don't always go to the library on Fridays.

Trạng từ tần suất thường đứng trước động từ thường và sau động từ tobe