Example sentences of "not know for " in BNC.

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No Sentence
1 They did not know then , were not to know for many years , were never fully to understand what it was that held them together — a sense of being on the margins of English life , perhaps , a sense of being outsiders , looking in from a cold street through a lighted window into a warm lit room that later might prove to be their own ?
2 I do not know for certain why I went up there to watch them doing it .
3 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 .
4 The Trinidad crashed near Madrid , and to this day we still do not know for sure what happened .
5 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 .
6 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 .
7 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 .
8 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 .
9 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 .
10 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 .
11 But we shall not know for some time yet .
12 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 .
13 She knew , although she did not know for quite how long , she had been running aimlessly .
14 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 .
15 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 .
16 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 .
17 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 .
18 The system outlined by Lord Donaldson , a man not known for his left tendencies , bears marked similarities to those operated in a number of eastern bloc countries .
19 Results are not known for at least four days , and to prevent the eggs going off the consignments are allowed through .
20 Soon Richard Darman , the budget director not known for his light touch , will resume his attack .
21 TICKET touts are not known for their flair for public relations .
22 The Democratic Unionist Party is in the curious position of being dominated by evangelicals and hence being more favourable to temperance and sabbatarianism than the Official Unionists and at the same time being better supported than the Officials by working-class loyalists who are not known for their piety and who are prepared to support acts of criminal violence .
23 This table gives the numbers of each moneyer 's coins in each hoard ; an x denotes that these are not known for certain .
24 Michael Heseltine has remarked that the BBC was ‘ not known for its independence ’ .
25 Exactly what happened is not known for certain , but the most likely scenario is that Crabb was intercepted by Russian frogmen and taken on board the Ordzhonikidze through a ‘ wet chamber ’ .
26 Even if the exact number of rounds in the game is not known for certain , in real life it is often possible to make a statistical guess as to how much longer the game is likely to last .
27 The NME succumbed to The Smiths success by parading a lengthy Smiths interview by Biba Kopf , a writer not known for his enthusiasm for the Smiths .
28 In the highly oxygenated water below a weir swim the little fish not known for nothing as the ‘ miller 's thumb ’ : the flattened head of the fish was often compared with the thumb of the miller , worn it was said from testing the flour .
29 That way , they query nothing and never answer back ; as a result they are not known for their political judgement , but , during the Depression they were jolted into social awareness .
30 Two disciplines not known for their loving attachment to high , or any other height , technology .
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