Example sentences of "is [adj] to date " in BNC.

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1 To improve precision , it is usual to date several samples from the same archaeological level to determine the mean age .
2 This is rarely a problem for dating an archaeological site where fragments of broken pottery tend to abound , and it is usual to date several sherds from the same context to provide an average age and better precision .
3 From Fredegar 's chronicle it is possible to date the king 's death to 596 , but Paul is the only author to record unequivocally that Childebert was murdered .
4 In his poetry , Wordsworth uses the language of faith years before his ‘ prose mind ’ can accept Christian doctrine ; this is why his ‘ conversion ’ is impossible to date , and why there is so much divergence between the poetic and prose statements he may make at any stage in his progress .
5 Though it is impossible to date the provisions with any confidence , in favour of dating them in the reign of Mehmed II is the fact that Sultan Murad III ( 982–1003/1574–95 ) , in a firman sent to his Grand Vezir in 985/1577 in connection with reform of the learned profession , speaks of " the ancient law ( kanun ) of Sultan Mehmed Gazi " : it thus seems likely that Mehmed II promulgated some legislation concerning the learned profession , if not these actual provisions .
6 It is helpful to date entries .
7 It is important to date stalagmites or flow stones , rather than stalactites , since the formation of the latter is not readily relatable to any archaeological event .
8 In the meantime they have the immediate task of responding to special educational needs on the basis of the information which is available to date .
9 However , it is misleading to date the portraits on that basis , as they are a naturalistic rendering of the appearance of boys after the loss of infant curls at the age of two or three .
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