| I don't doubt it.. |
| She's doubtful, noncommittal. |
| Well, I never doubted it for a minute. |
| I doubt that. |
| I doubt you'd know what that was. |
| I doubt you ever can. |
| She doesn't seem to notice Joe's hidden doubts. |
| I doubt it will work. |
| I doubt I'll ever find another Pauline.. |
| No, I doubt it. |
| I doubt if all of them'll see another Christmas. |
| I seriously doubt it. |
| Without a doubt! |
| I had one small doubt which he cleared up for me. |
| This mill fire will no doubt put the contract signing on hold for the moment. |
| I doubt that any one of us is a stranger to grief. |