1. My mother teaches English at this school.

`→` `\text{My mother is an English teacher at this school.}`

Dịch : Mẹ tôi là một giáo viên tiếng Anh ở ngôi trường này.

2. What is the price of this sleeping bag?

`→` `\text{How much is this sleeping bag?}`

`→` `\text{How much does this sleeping bag cost?}`

`\text{* Cấu trúc câu hỏi về giá tiền :}`

`\text{What is the price of + N + ....? }`

`\text{= How much + tobe + S ?}`

`\text{= How much do/does + S + cost?}`

3. How many students are there in your new school?

`→` `\text{How many students does your school have?}`

Dịch : Trường bạn có bao nhiêu học sinh?

`\text{@Nhi}`