Example sentences of "on and off [prep] [art] " in BNC.
Next page| No | Sentence |
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| 1 | Its light flickered on and off for a moment , as if it was making itself comfortable in a mechanical kind of way . |
| 2 | ‘ The Secret Police looked for me just the day after I left and they kept looking for me on and off for a year . |
| 3 | The lights flickered on and off for the last dance . |
| 4 | Speaking last night from the motel in Kelowna , 400 miles north of Vancouver , where she has lived on and off for the last three years , Mrs Allan said : ‘ I am not coming home until I have got my child . |
| 5 | He 'd had them on and off for the past couple of weeks . |
| 6 | It was 10.23 according to the Holiday Inn 's radio alarm clock , which flashed on and off on the bedside panel , redly . |
| 7 | This unregulated d.c. now passes through an electronic switch S which turns on and off at a relatively high frequency ; this might well lie within the range 15kHz to 100kHz , sometimes more . |
| 8 | If these levels are not well-separated the transistor T2 switches on and off at a very high frequency , causing interference with adjacent equipment and additional iron losses it , the motor . |
| 9 | With precise control both units can be set to operate on and off at the same setting with consequent better heat distribution . |
| 10 | After studying accountancy at Chicago University , he worked on and off as an investment analyst . |
| 11 | A niggling hip injury , which has troubled him on and off over the past year and hampered his preparation , was closer to the root of his troubles than any age-related downswing . |
| 12 | ‘ I 've seen him on and off over the years . ’ |
| 13 | That misconception had continued on and off over the following six or seven years . |
| 14 | A particular variant of special deposits , used on and off during the 1970s , was supplementary special deposits ( ‘ the corset ’ ) . |
| 15 | Bare coloured bulbs flashed on and off around a come-on sign . |
| 16 | I turn back and carry on looking in the window , but it 's hard to concentrate with this blue light flashing on and off in the glass . |
| 17 | Cell proliferation is constantly being turned on and off in the target organs . |
| 18 | And , backing this melodic chorus , we were aware of another noise — as we had been on and off throughout the day — the all-pervasive hum of the power station transformers . |
| 19 | I suspect all doctors must learn how to turn charm on and off like a tap . |
| 20 | He gives a performance by combining his mannerisms , including a smile turned tentatively on and off like a light bulb and the stooped strut of an over-age Holden Caulfield . |
| 21 | ‘ He 'll entertain a whole load of people watching while we 're out on location but he can turn it on and off like a light — the cameras roll and he 's totally into Grant Mitchell . |
| 22 | I 've been smoking on and off like a chimney |
| 23 | The charm he switches on and off like an electric fire . |
| 24 | She switches them on and off like the electric light . ’ |