Example sentences of "[verb] not know for " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | She thought that her father probably now earned more than £100,000 a year , but she did not know for sure because it was nine years since she had last visited him , four years since she had last received a Christmas card from him . |
| 2 | What the precise purpose was of installing complex electronics in an old sailing vessel he did not know for sure , and Iain did not press him . |
| 3 | She knew , although she did not know for quite how long , she had been running aimlessly . |
| 4 | Ages recorded on death certificates ( and to a lesser extent on marriage certificates ) were not always accurate because the informant did not know for sure . |
| 5 | Left staring at him while waiting for her full wits to return , Leith did not know for the moment what on earth was going on . |
| 6 | I do not know for certain why I went up there to watch them doing it . |
| 7 | And though we do not know for certain , it does seem doubtful that the only sins against EPA science are those that have been revealed . |
| 8 | The Trinidad crashed near Madrid , and to this day we still do not know for sure what happened . |
| 9 | But even if we discover that vineyards vanished from south east England at a time when the climate was getting colder , we still do not know for sure why they disappeared . |
| 10 | How long it took the different ancestors of these very different animals to evolve such tongues we do not know for there is no fossil evidence of any antiquity to tell us , but it must have been several million years . |
| 11 | We do not know for certain what the total membership of any such set is , how many items belong to it , or the extent to which speakers vary in assigning items to the set . |
| 12 | Then , when price is low firms do not know for sure whether it was because someone cheated ( produced a larger than agreed output ) , or because demand was low . |
| 13 | 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 . |
| 14 | Exactly how it happened we still do not known for sure but you can find examples of the kind of organisms it produced in almost any patch of fresh water . |
| 15 | Camilla 's sister , Annabelle Elliott , admitted that she does not know for sure whether there is any truth in rumours of a relationship with Prince Charles . |
| 16 | If you are contemplating having sex with someone who you have not known for very long , and do not know much about , you are strongly advised to use a condom during intercourse . |