Bài 1:

1. The flight starts at 6 a.m every thursday.

2. I like math and she likes  literature.

3. I don't bake  twice a month.

4. My best friend doesn't write to me every week.

5. Jane always takes care of her sister.

6. Your family has a holiday in December every year?

7. Martha and Kevin swim twice a week?

8. She helps the kids of the neighborhood.

9. Mike is humour. He always tells  us funny stories.

10. Tiffany and Uma are my friends.

Bài 2:

1. My dog is small.

2. She is a student ?

3. We aren't ready to get a pet.

4. My life is so boring. I just watch TV every night.

5. My husband is from California. I am from Vietnam.

6. We aren't late.

7. Emma and Betty are good friends. ( mình không biết vì sao có 2 "be" )

1. Is she a singer?

2. His sister is seven years old?

3. Trixi and Sus aren't my cats.

Giải thích:

*Động từ thường:

- Khẳng định:

I/you/we/they +V(e) + O
He/she + V(es) + O
- Phủ định:

I/you/we/they + do not +V(inf) + O

He/she + doesn't + V(inf) + O

*Động từ to be:

- Khẳng định:

I/you/we/they + am/are + O

He/she + is + O

- Phủ định:

I/you/we/they + am not/are not + O

He/she + is not + O

@An

`-` 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` : always , usually , often , ...

`Ex.1`.

`1`.starts

`2`.likes

`3`.don't bake

`4`.doesn't write

`5`.takes care

`6`.Does ... have ?

`7`.Do ... swim ?

`8`.helps

`9`.is / tells

`10`.are

`Ex.2`.

`1`.is

`2`.Is she ?

`3`.aren't

`4`.is

`5`.is / am

`6`.aren't

`7`.are

`8`.Is she ?

`9`.Is his sister ?

`10`.aren't

`\text{# TF}`