`31` Although we tried our best , we didn't win the game

`-` Although + clause 1 , clause 2 

`-` Clause 1 + but + clause 2

`-` although = but : mặc dù = nhưng 

`->` Diễn tả sự đối lập , tương phản giữa 2 mệnh đề

`32` Because the cartoon was boring , our children didn't want to watch it

`-` Because + clause 1 , clause 2

`-` because : bởi vì (nguyên nhân) 

`-` Clause 1 , so + clause 2

`-` so : vì vậy (kết quả) 

`33` She says : "Don't play computer game" 

`-` Don't + V-inf

`-` want + to V : muốn làm gì

`34` When did Lan visit her grandfather ? 

`-` When : khi nào ? `->` Hỏi thời gian không cụ thể

`-` Did + S + V-inf + O ? 

31. Although we tried our best, we didn't win the game

32. Because the cartoon was boring, our children didn't want to watch it

33. She says: "Don't play computer games"

34. When did Lan visit her grandfather?