$\text{1.=> How often do you go skating ? }$ 
$\text{Sử dụng công thức : How often + do / does + S + V + (O)}$

$\text{1.=>What time does your sister wake up in the morning ?}$
$\text{Sử dụng công thức : What time + do / does + S + V + (O). }$

$\text{3.=>Charlie carves eggshells in his free time .}$
$\text{Sd thì HTĐ : He / She / It + V-e/es + (O)}$

$\text{4.=>I often don't go to the cinema }$
$\text{Sd thì HTĐ . dấu hiệu : Often . I + do not  + V + (O))}$

$\text{ 5. =>Harry is always late for school}$
$\text{Công thức : S + tobe + ... }$

$\text{6.=> He is a photographer . He takes beautiful photos}$
$\text{S + tobe + a/an + danh từ chỉ nghề nghiệp. S + V(s/es) + (adj) + N}$

$\text{7.=> My sister rarely drinks orange juice}$
$\text{Sd thì HTĐ ( dấu hiệu : rarely ) : He / She / It + Vs/es + (O)}$

$\text{8.=> Does she arrange flowers beautifuly ?}$
$\text{Công thức : Do/Does + S + V + (O)?}$

$\text{9.=> What is your hobby ? }$
$\text{ (Sở thích của bạn là gì) }$

$\text{10.=> Mr.Ha teaches many students}$
$\text{ Mr.Ha = he .Công thức : He / She / It + Vs/es + V) }$

Bài 6 :

1. How often do you go skating? 

2. What time does your sister wake up in the morning?

3. Charlie carves his eggshells in his free time.

4. I don't often go to the cinema.

5. Harry is always late for school.

6. He is a photographer. He takes beautiful photos.

7. My sister rarely drinks my orange juice.

8. Does she arrange flowers beautifully?

9. What is your hobby?

10. Mr.Ha teaches many students.