• My sister can speak English better than I. -> I don’t speak English as well as my sister.

• Lan is not as beautiful as Linh. -> Linh is more beautiful than Lan.

• Last time we often played badminton but not now. -> We used to play badminton.

• Jank runs the most quickly of us. -> None of us runs as quickly as Jank.

1. I don't speak English as well as my sister. (Tôi không nói tiếng Anh giỏi bằng chị tôi.)
2 .  Linh is more beautiful than Lan. (Linh đẹp hơn Lan.)
3 . We used to play badminton, but we don't anymore. (Chúng tôi thường chơi cầu lông, nhưng bây giờ thì không.)
4 . No one of us runs as quickly as Jank. (Không ai trong chúng tôi chạy nhanh bằng Jank.)