Example sentences of "have been [v-ing] [adj] for [adv] " in BNC.

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1 The tank has an undergravel filter and a internal filter and has been running problem-free for about four months .
2 I was in Italy , it was early morning , and I 'd been lying awake for about three hours .
3 They 'd been sitting still for too long .
4 She 'd been sitting motionless for over an hour , conducting an inner battle over the need to alert the board of Chester 's about Guy 's perfidy , with the stubborn hope that somehow she might be wrong keeping her glued to the spot , torn with indecision …
5 Re-rigging the ship for an Antarctic voyage inside of a week , after she had been lying idle for over a year , was quite impossible .
6 I guess I 've been getting upset for too long when it was n't even necessary .
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