Example sentences of "[vb mod] [not/n't] [verb] for certain " in BNC.

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No Sentence
1 ‘ Whilst it was the physician 's opinion that she had not had carnal relations for some two years , he could not say for certain .
2 Mrs Ayers , who is still recovering from the shock , said at the moment she could not say for certain anything had been taken .
3 Until now she had n't taken much notice of him , so she could n't say for certain whether he was handsome or not .
4 Something in the atmosphere of the room seemed to have changed in the course of the last few moments , and Liston could n't say for certain what it was .
5 I could n't say for certain what our smallest listed building is , but I suspect that some old wall-mounted pillar boxes will be strong candidates !
6 I ca n't remember for certain but I think my wage was £2 per week .
7 Answering this kind of question will inevitably involve you in a certain amount of guesswork , because you ca n't know for certain what has been going on , but some assumptions are more likely than others .
8 In fact I ca n't say for certain that it ever arrived .
9 ‘ I ca n't say for certain .
10 However , at the beginning of the year we can not know for certain what the inflation rates will be ; we can only have expectations about what they will be .
11 While I can not say for certain that the aquarium located at the Oceanographic Institute , Monaco boasts this title , it does contain some stunning displays of tropical freshwater and marine fish and is well worth a visit .
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