`1)` This is the most interesting story I have ever read.

`->` this is the most adj/adv + S + have/has ever + V3: cái gì nhất mà ai từng làm sao

`2)` I've never known a girl more beautiful than her.

`->` S + have/has (not) + V3 + ...

`->` more adj/adv than S: hơn ai thế gì

`3)` Tom drives more carefully than Peter.

`->` S + V-s/es + more adj/adv + than S (TT dài)

`4)` It is three degrees colder today than yesterday.

`->` S + V-s/es + adj/adv -er + than S (TT ngắn)

`5)` It takes four hours by car and five hours by train to complete the journey.

`->` it takes [time] to V-inf: mất thời gian làm gì

`->` by transportation: bằng phương tiện nào

`->` complete sth: hoàn thành cái gì

@magnetic

`1.` This is the most interesting story I have ever read.

- This is + the + adj + -est/most + adj + N + (that) + S + have/has + ever + V3/ed

- Tạm dịch: Đây là câu chuyện thú vị nhất mà tôi từng đọc.

`2.` I've never known such a beautiful girl before.

- S1 + tobe + the + adj + -est/most + adj + N + S2 + have/has + ever + V3/ed

-> S2 + have/has + never + V3/ed + such + a/an + adj + N + before

`3.` Tom drives more carefully than Peter.

- So sánh ngang bằng: Với trạng từ: (-) S1 + aux + not + V + so/as + adv + as + S2

-> So sánh hơn: Với trạng từ ngắn/dài: (+) S2 + V + adv + -er/more + adv + than + S1

`4.` It is colder today than it was yesterday.

- So sánh hơn: Với tính từ ngắn: S1 + tobe + adj + -er + than + S2

- DHNB: today -> Thì HTĐ: (+) S + is/am/are + N/Adj

- DHNB: yesterday -> Thì QKĐ: (+) S + was/were + N/Adj

`5.` It takes longer by train than by car.

- So sánh hơn: Với trạng từ ngắn: S1 + V + adv + -er + than + S2

- Thì HTĐ: (+) S + V(s/es)