Example sentences of "and forth [prep] a [noun sg] [prep] " in BNC.

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1 There was about her something distant and mysterious , Cadfael thought , as if a part of her being was charmed away into some private and pleasant place , even while her blue eyes dwelt upon her husband and his friend with sharp intelligence , following the argument back and forth with a kind of indulgent and amused affection , appropriate to a matriarch watching her children .
2 Joseph found he could n't sit still and he rose to pace back and forth at a distance from the others .
3 For many minutes , Ali , Asaad and Isaac plod back and forth in a chain through the snow .
4 A typical building of 10 storeys will sway back and forth in a period of 1 second , giving it a natural frequency of 1 cycle per second or 1 hertz .
5 Instead of staring blankly out at the world , or nervously striking at the fence , as some of the eagles did , he trekked back and forth in a figure of eight over an area that was only one tiny part of his caged area .
6 Those of a pike have become elegant filmy sculls , rotating slowly back and forth from a joint within the body , so that the fish can compensate for the tiniest variation of current and hang above a rock as though it were suspended from an invisible wire .
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