10. We saw someone entering your room.
11. He always spoke the truth.
12. We beat the thief yesterday.
13. We went to Kolkata last month.
14. I go for a morning walk daily.
15. He has gone out for dinner.
16. He laughs too much.
17. She broke her neck.
18. He always attended the class in time.
19. My friend likes shooting wild animals.
20. The market remains closed on Sunday.
Answers
10. We saw someone entering your room.
⇒ Don't we saw someone entering your room?
11. He always spoke the truth.
⇒ Didn't he always spoke the truth?
12. We beat the thief yesterday.
⇒ Don't we beat the thief yesterday?
13. We went to Kolkata last month.
⇒ Didn't we went to Kolkata last month?
14. I go for a morning walk daily.
⇒ Don't I go for a morning walk daily?
15. He has gone out for dinner.
⇒ Hasn't he gone out for dinner?
16. He laughs too much.
⇒ Doesn’t he laughs too much?
17. She broke her neck.
⇒ Didn't she broke her neck?
18. He always attended the class in time.
⇒ Didn't he always attended the class in time?
19. My friend likes shooting wild animals.
⇒ Doesn’t my friend likes shooting wild animals?
20. The market remains closed on Sunday.
⇒ Didn't the market remains closed on Sunday?