Example sentences of "must have be [vb pp] [prep] some " in BNC.

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1 At the time I thought little more about it , but later I realized that it must have been caused by some powerful pain-killing drug .
2 But it was open , I mean it must have been fenced in some way later on .
3 Well he must have been transferred for some reason or other .
4 must have been threaded by some child .
5 The keys must have been lost for some time .
6 It must have been written by some exasperated editor receiving streams of verbose articles from amateur authors .
7 Many colonnades , staircases , doorways and corridors open on to the Central Courts and , if the bull dance really did take place there , they must have been protected in some way from the rampaging bulls .
8 The child 's corpse must have been loaded onto some form of transport that had been waiting beyond the yard .
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