3.(+)beni and I ran to budi's house (-) (?) 4.(+)beni is a diligent student in his school (-) (?) 5.(+)iwan is at his school now (-) (?)

3. (-) Beni and I didn't run to Budi's house.
    (?) Did Beni and I run to Budi's house?

4. (-) Beni isn't a diligent student in his school.
    (?) Is Beni a diligent student in his school?


5. (-) Iwan isn't at school now.
    (?) Is Iwan at school now?