1. Unless she hurries, she'll be late 

2. Unless we didn't have more rain, our crops would be better

3. Unless you like this one, i'll bring you another

4. Unless you are careful, you'll cut yourself with that knife

5. Unless i do now have a quite room, i won't be able to do any work 

6. Unless the flood had risen higher, the flood wouldn't have been ruined

7. Unless you had sneezed, he wouldn't have known that we were there

8. Unless she did her hair differently, she wouldn't look quite nice

9. Unless John had played for our football team, we would have lost the game 

10. Unless i won the first prize in a lottery, i wouldn't give up my jop 

Giải thích: Unless=If not để làm những bài này bạn làm dựa theo vào nghĩa phủ định hoặc khẳng định của câu để viết tùy trường hợp nha. Bài này mình cũng hong biết giải thích thế nào nữa có gì bạn tra thêm trên mạng nha