1. This is the most romantic story I have ever read.

2. I have never seen a more beautiful building.

3. Mrs. Jones is the most dangerous person you will ever meet.

4. Computers have never been such efficient servants.

5. I've never seen a better film in my life.

6. I have never known anyone as intelligent as Mr. Hung . 

7. He's never heard music better than this.

8. This is the dirtiest-looking dog I have ever seen.

9. She has never had a dress more expensive than this.

10. I have never driven a car that moves faster than this.

Công thức hiện tại hoàn thành trong tiếng Anh là: have/has + V3 (động từ quá khứ phân từ)

Cấp so sánh hơn : 

tính từ ngắn : Có 1 âm tiết 

S1 + Tobe + short adj + er + than + S² 

Tính từ dài : Có 2 âm tiết trở lên 

S1 + Tobe + more + long adj + than + S² 

Cấp so sánh hơn nhất của tính từ : 

T.từ ngắn : 

S + Tobe + the short adj + est + ......

T.từ dài : 

S + Tobe + most + long adj + ......

@Thaonguyen0309 

1, This is the most romantic story I have ever read.

2, I have never seen such a beautiful building. 

3, Mrs Jones is the most person you will ever meet.

4, Computer is the most efficient servant that man has never had.

5, I've never seen such a better film in my life.

6, I have never known such a more intelligent person than Mr Hung.

7,  He's has never heard better music than this.

8, This is the dirtiest-looking dog I have ever seen.

9, She has never had such a more expensive dress than this.

10, I have never driven such a faster moving car than this.

@ So sánh nhất và thì HTHT:

- This/It is + tính từ so sánh nhất + N + (that) + S + has/have + (ever) + Vpp

= S + has/have + never + Vpp + such + (a/an) + tính từ so sánh hơn + N ... 

@ So sánh hơn: 

- Đối với tính từ ngắn : S1 + be + short adj-er + than + S2

- Đối với tính từ dài : S1 + be + more + long adj + than + S2

@ So sánh nhất:

- Đối với tính từ ngắn : S + be + the + short adj-est + (N) + cụm từ chỉ nơi chốn

- Đối với tính từ dài : S + be + the most + long adj + (N) + cụm từ chỉ nơi chốn