`56.` The bigger the apartment is, the higher the rent is.

`-` Cấu trúc: The + adj + "er" + S + V, the adj + "er" + S + V

`57.` We haven't seen her since Chirstmas Day

`-` Cấu trúc: S + have/has + Vpp +. .. 

`58.` It toook us 5 hours to get to LonDon

`-` Cấu trúc: It + take/took + thời gian + to V-inf 

`59.` We are gived a free peroid this Saturday to prepare the festival by our Teacher

`-` Bị động HTĐ: S + am/is/are + Vpp + .. + by O

`60.` Unless Sarah comes, we won;t watch the video

`-` Điều kiện loại 1: IF + S + V(HTĐ), S + will + V-inf

`-` Unless = if not = Nếu ... không ....

`56`. The bigger the apartment is, the higher the rent is.

`→` The + adj (er)+ S + V, the + adj (er) + S + V

`57`. We haven't seen her since Christmas Day.

`→`  Hiện tại hoàn thành : S + have/has + Vpp +. .. 

`58`. It takes me five hours to get to London.

`→` It takes me = spend

`→` It + take + thời gian (time) + to + V-inf 

`59`. We are gived a free peroid this Saturday to prepare the festival by our Teacher.

`→` Câu bị động : S + tobe + Vpp + .. + by + O

`60`. Unless Sarah comes, we'll watch a video.

`→` câu điều kiện loại 1: S1 + V (HTĐ) + ..., S2 + V (TLĐ) + ...

$#Chi$