$1.$ Jim was absent from class yesterday because he was suffering from a bad cold.

→ Because dùng để diển đạt lý do, nguyên nhân hoặc sự phàn nàn về một ai đó hoặc vấn đề nào đó.

Công thức: Because + Clause (chia theo thì)

$2.$ They decided to move their house so they don't have to travel a long distance to work.

→ So là liên từ dùng để chỉ kết quả, thường đứng giữa câu và không bị ngăn cách bởi dấu phẩy.

So + Adj/ Adv

$3.$ Mary hurt her fingers yesterday because she was preparing dinner.

$4.$ At $4$ p.m yesterday, my mother was cleaning the house and I was looking after my younger brother.

→ And dùng để thêm thông tin vào câu nói, nối hai câu/ cụm từ tương đồng lại với nhau.

Clause + and + Clause

$5.$ They decided to go on an excursion because they want to get away from work stress.

$6.$ My father taught me how to use a computer because before that, I didn't know how to use it.

$7.$ I arrive at the station so I will call you right after that.

$8.$ My brother is very out-going but I am quite reserved.

→ But dùng để chỉ sự đối lập giữa hai mệnh đề.

$9.$ Mr. Peter was walking home and he was robbed of his wallet.

$10.$ I don't have a pet because my mother doesn't allow me to have one.