1. Hung is shorter than Nam.

`-` So sánh hơn: S + be + adj + er/more + adj + than + S.

2. They didn't go swimming because of the heavy rain.

`-` Because of + Ving/N/N-pharse = Because + clause.

3. We spent two hours getting to the airport.

`-` Spend + time + doing sth  = It takes sb + time + to do sth

4. It is the first time I have eaten this kind of food.

`-` It's the first time + S + have(ever) + `V3` = S + have never + `V3` (+ before)

5. My favourite juice is orange.

`-` Like + doing sth = Possessive adj + favourite + N + be + N

${1.}$ Hung is shorter than Nam.

`→` so sánh hơn với tính từ ngắn: S + Vbe + Adj_er + than + S

`·` trái nghĩa với "tall" là "short" nên ở đây ta dùng "shorter"

${2.}$ They didn't go swimming yesterday because of the heavy rain.

`→` Because + S + V, S + V: Bởi vì ...

`=` Because + N/V_ing, S + V

* "because" và "because of" có thể đứng đầu câu hoặc giữa câu

${3.}$ We spent two hours getting to the airport.

`→` S + spend(s)/spent + time + V_ing: ai đó tốn bao nhiêu thời gian làm gì

`=` It + takes/took + time + to_V

${4.}$ It is the first time I have eaten this kind of food.

`→` It/This is the first time + S + have/has + V3/ed ...: Lần đầu làm gì

`=`  S +have/ has + never + V3/ed + before

${5.}$ My favourite drink is orange juice.