1. You should turn off the lights at daytime.

should + V1: nên làm gì 

2. Regular bulbs are more energy-consuming than led ones.

S + be + more + ADJ + than + O : ss hơn 

3. Although electric cars are less polluted than gasoline ones, they are more expensive.

Although + clause, clause: mặc dù

4. Because the government banned motorbikes, we had to buy a car.

Because + clause, clause: bởi vì

5. Who does that car belong to?

Who + do/does + S+ belong to? cái gì thuộc về ai 

`color{orange}{~MiaMB~}`