Example sentences of "[prep] they must be [verb] " in BNC.
Next page| No | Sentence |
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| 1 | Similarly , although the smallness of the samples of 16th , 17th , and 18th Century publications in need of repair means that conclusions about them must be treated with some caution , it is worth noting that if all pre-1800 items are treated as a group and the proportion of them allocated to each of Categories 3–5 calculated , their pattern of distribution ( ‘ Poor' 78% ; ‘ Bad ’ 18% ; ‘ Fragile ’ 7% ) comes close to matching that already established for all defective items . |
| 2 | Thus any differences between them must be caused , not by the shock , but by the fact that the mouse in the cage with the shelf is learning an avoidance response . |
| 3 | It is small wonder that the tree is an endangered species when you consider how many of them must be chopped down to provide one week 's worth of trade press . |
| 4 | In this discussion we shall have to make frequent use of the terms cost and expenses of production ; and some provisional account of them must be given before proceeding further . |
| 5 | If muggers can be deterred by punitive sentencing , then some of them must be made an example of . |
| 6 | Some of them must be playing snooker three and four times a week in two or three different leagues . |
| 7 | In order to infer that the effect of X on Y is a direct causal effect , any variable which is related to both X and Y and causally prior to at least one of them must be controlled . |
| 8 | These are only a few of the choices before them , but even these are very difficult to prioritize and at times some of them must be sacrificed at the expense of others in this play . |
| 9 | ‘ Some of them must be educated . ’ |
| 10 | Unfortunately , anyone phoning who wants to buy shiny tights with the word ‘ climb ’ on them must be referred to The Samaritans . |
| 11 | Quality Control activities can be very costly , and since they represent an overhead cost in the production area , the degree of time and resources spent on them must be related to factors such as price , consistency , safety and legal requirements , for example . |