Ex `8:`

1. by

2. in

3. from

4. to

5. on

6. for

7. in

8. at

9. for

10. in

Ex `9:`

1. How many books does she have?

HTĐ nghi vấn : 

Do / does + S + V nguyên mẫu

How many + N số nhiều

2 : Does your brother have lessons today ? 

HTĐ nghi vấn : 

Do / does + S + V nguyên mẫu

3 : My children go to school on foot everyday

HTĐ : S + Vs/es

DHNB : everyday

4 : What lessons do they have on monday ?

HTĐ nghi vấn : 

Do / does + S + V nguyên mẫu

5 : How often does your mother go to work ? 

HTĐ nghi vấn : 

How often + Do / does + S + V nguyên mẫu

6.She is on holiday in Phu Quoc Island today

→ Thì HTĐ ( ĐT tobe ) : S + be + adj / n 

7.My sister learns Music once a week

→ Thì HTĐ ( CKĐ ) : S + V s / es

→ Đặc điểm nhận dạng : once a week

8.I don't have to go to school today

→ Cấu trúc Have to : S + have to / has to / don't have to / doesn't have to + V