Example sentences of "[verb] it have been [v-ing] on " in BNC.

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1 They must know it 's been going on at domestic and international level for a long time .
2 they want normal speech , they do n't even people do n't even know it 's been going on .
3 I gather it 's been going on for years . ’
4 It will produce a series of prototype versions of the Mach microkernel it has been working on with experimental extensions for real-time and high-trust portable working across a range of hardware architectures , especially non-shared memory supercomputers .
5 It will produce a series of prototype versions of the Mach microkernel it has been working on with experimental extensions for real-time and high-trust portable across a range of hardware architectures , especially non-shared memory supercomputers .
6 Yeah , I mean it 's been going on for ages
7 She said it had been going on for a few months . ’
8 One thing Mam said suggested it had been going on for some time …
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