Example sentences of "have to be on " in BNC.
Next page| No | Sentence |
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| 1 | They 're under a lot of pressure because they have to be on air 24 hours . |
| 2 | You still have to be on top of your stuff , though — judges expect a certain level of competence to staging a little-girl-lost act in court will do no good whatsoever . |
| 3 | I 'm not one for a lot of late nights because I have to be on form and looking good for work . |
| 4 | ‘ I 'm afraid we have to be on our way , Colonel , ’ Bill Robins explained . |
| 5 | The state should give substantial financial inducements to mothers of pre-school children to care for them at home ; because of the economic situation , this may , to begin with , have to be on a sliding scale according to need . |
| 6 | and they 'll get very worried , and it 's quite a difficult area because you have to be on the look out for something that 's not right , but you do n't want people to get er very worried because those feet are going to be very mobile and doing non walking thing until the child walks , they 're also very fat and podgy are n't they little babies ' feet ? |
| 7 | But there are many cases where the merging of meanings are more and we have to be on our guard . |
| 8 | I can imagine some unpleasant things happening with the sling , too ; the sling-bombs have to be on a pretty short fuse if they 're to detonate soon enough after they land not to be throw-backable , and I 've had a couple of close calls already when they 've gone off just after they left the sling . |
| 9 | Within the Conservative party , aspiring candidates have to be on a candidates list maintained by the party 's national headquarters . |
| 10 | I have to be on hand . ’ |
| 11 | The public and police have to be on guard against all these tactics . |
| 12 | The theatre can be a risky place and the entire staff have to be on their guard . |
| 13 | ‘ You never know who is coming into the building ’ , Margaret said , ‘ which means you always have to be on the alert to prepare a tray of sandwiches . |
| 14 | They have to be on the outside right , cos as soon as it goes through a piece of material you 'll lose all the high frequency to it . |
| 15 | and the big dog hates her going out and I have to be on my own . |