Example sentences of "be [verb] on [prep] a long " in BNC.

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1 ‘ It 's been going on for a long time , but yer Mum 's bin very foolish an' so have the rest .
2 There are already many alternatives to the research carried out on animals which has been going on for a long time .
3 This world has been going on for a long time , oh god knows how many , five hundred thousand million bloody years and eventually it 's going to , it , it , it , it 's going to explode and go
4 In some programs files have to be inverted overnight and this requires the microcomputer to be switched on over a long period of time .
5 That is to say , if a stress is left on for a long time , wood will gradually run away from the load .
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