1. We're not sure.

2. I'm not sure yet.

3. I'm not so sure, father.

4. Not sure whose, but interesting.

5. My reply, “I’m not sure.”

6. Yes, well, I'm not sure...

7. Be sure and not grieve.

8. I'm not even sure it's Christian.

9. "I'm not sure," Liz said vaguely.

10. Not sure I should be driving.

11. I'm not so sure about gastroenteritis.

12. I'm not sure. Probably around midnight.

13. I'm not sure. Maybe. --It's possible.

14. Not sure I'm loving this trend.

15. Well, do not be so sure!

16. Be sure not to overcook it.

17. Andrewsarchus was not a creodont, that's sure

18. Just be sure not to prattle on.

19. *Not sure even “Abominability” is a word

20. Not sure how long that will hold.

21. I'm not sure that I fully understand .

22. Chorale makes sure that's not the case

23. “Well, I’m not sure,” was the reply.

24. He's not an accountant that's for sure

25. 11 I'm not sure. Probably around midnight.

26. (Make sure the device is not Blacklisted …

27. I'm not sure about the weapon, though.

28. He's not altogether sure what to do.

29. Sure you're not the one who's paranoid?

30. 2 'I'm not sure,' she replied evasively.

31. I'm not sure I'm following you, mayor.

32. And I'm not sure it ever was.

33. Actually, I'm not quite sure what's contraband.

34. Make sure that you are not underinsured.

35. I'm not sure yet, but probably not more than 400 feet.

36. Are you sure he's not an arms dealer?

37. Frankly, I'm not sure I can make it.

38. I'm not sure I want her to change.

39. 'Is that John over there?' 'I'm not sure'.

40. Go reread that chapter if you're not sure.

41. Patty may have left, although I'm not sure.

42. I'm not sure what he is thinking about.

43. Be sure not to take too much Antihistamine

44. Sure remember not to go into the basement.

45. Not sure how that involves local law enforcement.

46. I'm not sure I wanna pick that up.

47. Not sure if the end justifies the means.

48. I'm not sure I can evaluate that, Mr....

49. I'm sure his remarks were rehearsed, not impromptu.

50. Actually, I'm not quite sure what contraband is.

51. I'm not sure he's equal to the task .

52. Not sure why he'd shift off from Bestness

53. Let me make sure 61 is not divisible.

54. Be sure not to cast away your time.

55. I'm not sure of the chronology of events.

56. EW : It was. But we? re not sure.

57. 'I'm not sure about it,' he said weakly.

58. I'm not really sure of an ETA yet.

59. I’m not sure what you meant by Cringey

60. 'I'm still not sure,' he said at length.

61. We could not be sure of financial support.

62. If you're not sure what a Roustabout is, you're probably not alone.

63. Still not sure if your content crosses the line?

64. Not quite sure what I'd charge them with anyway.

65. I'm not sure you should spoil him so much.

66. Go reread that chapter if you are not sure.

67. I'm not sure. I'd like a new CD player.

68. I'm not sure that "Babysitted" is colloquial

69. I'm not sure what else I can tell you.

70. She was not sure what his underlying motives were.

71. I'm not sure I have a home any more.

72. I'm not sure why I bother carrying a purse.

73. We must make sure that democracy does not perish.

74. The thing of luminescence is not sure all gold.

75. The buildings were not built on a sure foundation.

76. 8 I'm not sure of the chronology of events.

77. I'm not sure if I'm pronouncing this correctly. Sentencedict.com

78. I'm not sure that I find her story credible.

79. No one - not even Buckingham Palace - seemed entirely sure.

80. I feel pretty sure that I'm not an asshole.