`1`. You may have an allergy, so be careful with what you eat and drink.

`2`. Tom has a temperature and a sore throat.

`3`. I want to buy another car, but I have no money.

`4`. It's raining, so I will stay at home and sleep.

`5`. I passed the test; therefore, my parents took me to the cinema.

`6`. I feel sleepy, however, I must finish the report.

`7`. His shoes are worn for he has no socks.

`8`. I wanted to buy a set of Lego, so I started to save my money.

`9`. I couldn't go to your party for I was tired.

`10`. You can walk or ride a bike to get there. 

`@` Các liên từ như "and", "or" thường được dùng để liệt kê hoặc nối các ý.

`@` Các liên từ như "so", "therefore" dùng để chỉ kết quả hoặc hậu quả.

`@` Các liên từ như "but", "however" thể hiện sự đối lập.

$-----$

`@` S + V1, so + S + V2. 

`@` S + V1, so that + S + can/could/will/would + V2. 

`@` S + V1, and + S + V2. 

`@` S + V1, but + S + V2. 

`@` S + V1, or + S + V2. 

`@` S + V1, for + S + V2.

`@` S + V1, therefore, S + V2.

`@` S + V1; however, S + V2.