1. English is easier than history. History is more challenging than english.

2. The pencil case is smaller but it is cheaper.

3. I think Edo is a very good student. He is smarter than any of us.

4. He was here yesterday. (+)

   He was not here yesterday. (-)

   Was he here yesterday? (?)

5. She was happy with us. (+)

   She was not happy with us. (-)

   Was she happy with us? (?)

6. Her dress was very beautiful. (+)

   Her dress was not very beautiful. (-)

   Was her dress very beautiful? (?)

7. We were in Mall yesterday night. (+)

   We were not in Mall yesterday night. (-)

   Were we in Mall yesterday night? (?)

8. They were late to school a week ago. (+)

   They were not late to school a week ago. (-)

   Were they late to school a week ago? (?)

9. The cars were in my garage two days ago. (+)  

    The cars were not in my garage two days ago. (-)

    Were the cars in my garage two days ago? (?)

10. The boy was very happy with his parent. (+)

     The boy was not very happy with his parent. (-)

     Was the boy very happy with his parent? (?)