Example sentences of "[conj] once [conj] [adv] a " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | If you use Imigran more than once or twice a month , you should also be using a continuous anti-migraine treatment and reserving Imigran for breakthrough migraines . |
| 2 | He had no visitors , although once or twice a week his secretary might come to deal with his correspondence . |
| 3 | Caine was filming in London with Sidney Poitier , and once or twice a week they would take it in turns to treat each other to a decent meal . |
| 4 | By the final session , the average frequency of waking had fallen to once or twice a week and once or twice a night ; settling time had decreased . |
| 5 | This was principally because he had taken up fire-watching duties there , and once or twice a week he would go up on the roof : he would have heard the sound of the aircraft , and the bursts of shrapnel from the anti-aircraft guns , while all the time scrutinizing the " blacked out " city for the evidence of fires . |
| 6 | Year to year there are variations ; summer may start two weeks late , or two weeks early , or tentatively … and once or twice a year the weather goes into a sulk for a few days and refuses to co-operate with us . |
| 7 | But Uncle Philip bathed in the tub as often as once or twice a week ; he seemed to exercise some occult authority over the geyser , for it never erupted when he lit it . |