Example sentences of "[not/n't] [verb] for certain [conj] " in BNC.
Next page| No | Sentence |
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| 1 | A senior officer said : ‘ We have not exhausted all our enquiries yet and we do not know for certain if those ransom calls were the work of cranks . |
| 2 | Although it is not known for certain whether Yazid was present at Karbala , he is cast by the Shiites as the author of the incident , and the name is to this day a favourite Shiite epithet for a Sunni adversary — it was used in this sense during the 1980s war by the Tehran leadership when referring to that in Baghdad . |
| 3 | It is not known for certain if the male and female form a pair bond . |
| 4 | 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 . |
| 5 | We do n't know for certain but it was probably to be given to you on your arrival . ’ |
| 6 | ‘ The common denominators in all these factors , as a mathematician would say , are Dacourt and Millet but , first , we do n't know for certain if the wine sent to the Abbe Gerard was in fact the same he was drinking the night he died . |
| 7 | That Mr er did live at the flat erm with his wife , there may have been children but we did n't know for certain and that the previous night two male persons appeared to have been there . |
| 8 | I ca n't remember for certain but I think my wage was £2 per week . |
| 9 | 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 . |
| 10 | In fact I ca n't say for certain that it ever arrived . |