$\text{1. He isn't old enough to ride a motorbike}$

$\longrightarrow$ $\text{Cấu trúc: S + be + adj + to V}$

$\text{2. Nam speaks English more fluently than his brother}$

$\longrightarrow$ $\text{Cấu trúc so sánh hơn: more + adj/adv + than}$

$\longrightarrow$ $\text{TH đặc biệt: -y cũng có thể đổi thành -i rồi thêm đuôi -er}$ 

$\text{3. It is very important for us to protect the enviroment}$

$\longrightarrow$ $\text{Cấu trúc: Important for + sb}$

$\text{4. Do you mind if I use your computer?}$

$\longrightarrow$ $\text{Cấu trúc: Do you mind if + S + V?}$

$\text{5. Jonh still remembers the teacher who taught him to play the guitar when he was a boy}$

$#Hoctot$