`1`.Why didn't Lan go to school yesterday ?

`\rightarrow` Thì QKĐ ( CPĐ ) : S + didn't + V

`\rightarrow` Đặc điểm nhận dạng : yesterday

`2`.Lucy is a beautiful dancer

`\rightarrow` Thì HTĐ ( ĐT Tobe ) : S + is / am / are + adj / n

`3`.Shall we go to the theatre tomorrow evening ?

`\rightarrow` Cấu trúc : Shall + S + V ? 

`4`.How about joining in the contest on TV ?

`\rightarrow` How about + V-ing ?

`5`.My brother prefers walking to going by bike

`\rightarrow` S + prefer + V-ing ( 1 ) + to + V-ing ( 2 ) : Quyết định làm gì hơn là làm gì ( `5 , 6` )

`6`.The students prefer playing games to doing their homework

`\text{# Kirigiri}`