Example sentences of "[conj] sometimes a [noun sg] be " in BNC.

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1 Discount stores are often self-service , and most offer a delivery service for larger items , although sometimes a charge is made for this .
2 If your experiment involves other people ( e.g. if you are comparing different readers ' responses ) , you need to consider ethical issues which arise , including ( a ) getting their permission to use the results ; ( b ) showing them the results and explaining them ; ( c ) not using their names when you report the experiment ( even if they have given permission for this , there is unlikely to be any point ) ; ( d ) the ethical problem that sometimes an experiment is best conducted if the test subjects do n't know what it is for ; that is , if there is a " secret agenda " .
3 It takes skill and judgement and sometimes a compromise is not possible — you may have to choose one over the other .
4 Generally there is a single figure , as suits the shape and purpose , but sometimes a second is added , as in fig 41 : brother and sister , as the epitaph tells us , the monument erected by their parents .
5 Many of them struggle on bravely and still manage to take a limited amount of daily exercise , but sometimes a point is reached when they are no longer able to go out alone at all to enjoy any kind of social life .
6 But sometimes a chap is a wrong'un , pure and simple . ’
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