`1` Not until he came into the light did I recognize him.

`-` Đảo ngữ ''not until''.

`@` Not until + S + V(quá khứ) + O + did + S + V + O.

`2` One runner was so exhausted that he couldn't complete the last lap of the race.

`-` S + be + so + adj + that + S + V + O : Ai đó quá như nào đến nỗi mà ai đó làm gì.

`3` I've never known a more warm-hearted person than my mother.

`-` S + have/has + never + V3/Vpp + O : Ai đó đã chưa bao giờ làm gì.

`-` So sánh hơn tính từ dài : S1 + be + more + adj-dài + than + S2.

`4` We were never made to do anything we didn't want to do.

`-` Bị động thì quá khứ đơn.

`@` S(Bị động) + was/were + V3/Vpp + O.