Example sentences of "before [pron] can [verb] [verb] the " in BNC.

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1 Before you can start using the tool , a 13amp plug must be fitted to the rubber-covered lead .
2 Before you can begin to plan the layout of your shop , of course , you need to know how big it is .
3 Although this is at the bottom of the main menu , it is the first option that you need to select before you can begin to use the program for any serious work .
4 It may take drastic discontinuities , of the kind described above , to highlight the fact that the environment over a period must be taken into account before one can attempt to predict the course of personality development , yet children reared under normal home circumstances are generally regarded as remaining under such constant environmental conditions that this consideration does not hold .
5 However , before we can start to examine the significance of services in the economy , it is necessary to have some idea of what is meant by the term ‘ services ’ .
6 Before we can begin to lay the new thatch the old roof has to be stripped off back to a firm base .
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