| Ham I.ii.256 | [Hamlet alone] I doubt some foul play |
| Ham II.ii.117 | [Polonius reading Hamlet's letter to Ophelia] Doubt truth to be a liar |
| Ham II.ii.56 | [Gertrude to Claudius] I doubt it is no other but the main |
| KJ IV.i.19 | [Arthur to Hubert, of King John] I doubt / My uncle practises more harm to me |
| MW I.iv.40 | [Mistress Quickly to Rugby, of Caius] I doubt he be not well, that he comes not home |
| Per I.ii.86 | [Pericles to Helicanus, of Antiochus] should he doubt ... / That I should open [his deeds] to the listening air |
| RJ V.iii.44 | [Balthasar to himself, of Romeo] His looks I fear, and his intents I doubt |
| Tit II.iii.68 | [Lavinia to Tamora] to be doubted that your Moor and you / Are singled forth to try experiments |