Example sentences of "may be [prep] [num] [noun pl] " in BNC.

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1 Crowding out may be of two varieties : either the effect of changes in government spending are immediately and completely offset by opposite changes in other components of aggregate demand , or aggregated demand is in principle increased but immediately is frustrated by supply constraints .
2 The products of the repression trade may be of two types : equipment for torture , execution of those which result in ‘ cruel inhuman or degrading treatment ’ such as leg irons ; or equipment which can have an every day use , such as computers and telecommunications ( this category also includes items such as tear-gas and hand guns which can be used legitimately for law-enforcement or crime prevention ) .
3 These hospitals and units may be of two kinds .
4 In terms of this sort of classification , electronic transitions may be of five types :
5 We communicate with each other through a variety of methods — by the staff newsletter ; by Office Notices ( which may be of three types — mandatory , advisory , and informative ) ; by internal memos and notes ; committee minutes , and by word of mouth .
6 In many of the large catchments to which the DoE refers , impact of nitrate may now be over the limit for only a week each year , but in future it may be for two weeks , then three , then a month or more : when does the UK propose to take action ?
7 ‘ An initial contract may be for three years but we have to look further than that .
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