$\text{1.}$ How far is it from Ha Giang to Ha Noi ? 

→ How far is it + from + place + to + place ? 

$\text{2.}$ I used to walk to school when I student . 

→ used to + V-inf : đã từng làm j 

$\text{3.}$ In spite of the bad weather , she went to school on time . 

$\text{4.}$ Despite the bad weather , she went to school on time .

→ Despite/In spite of + Noun/Noun Phrase/V-ing , clause  

$\text{5.}$ I haven't seen Peter for 5 months . 

→ S + last + Ved/cột 2 + O 

→ S + hasn't/haven't + Vpp + O 

$#Keisha$

1. How far is it from Ha Giang to Ha Noi?

    Cấu trúc: How far is it from .... to ..... ?

               = What is the distance between ... and ....?

2. I used to go a school when I was student.

     Cấu trúc:    S+used to+V(nguyên dạng).....

3. In spite of the fact that the weather was bad,she went to school on time.

     Cấu trúc : In spite of+ danh từ/cụm danh từ, mệnh đề 2 .....

                = In spite of + Ving (khi 2 mệnh đề cùng chủ ngữ) ... ,mệnh đề 2 .....

                 = In spite of +the fact that + mệnh đề 1, mệnh đề 2 .....    

4. Despite the bad weather , she went to school on time.

     Cấu trúc:  Despite+ danh từ/cụm danh từ, mệnh đề 2 .....

                 = Despite + Ving (khi 2 mệnh đề cùng chủ ngữ) ... ,mệnh đề 2 .....

                 = Despite +the fact that + mệnh đề 1, mệnh đề 2 .....    

5. I haven't seen peter for 5 months.

      Cấu trúc: S+last+Vqk+O+t/g qk...

                = S haven't/hasn't +P2 +O+since/for ......