Example sentences of "[noun sg] before [v-ing] [prep] the next " in BNC.

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1 Catch crops are usually sown in late summer or early autumn immediately after harvest , for grazing in early winter and again in the spring before ploughing for the next main crop .
2 The user , seated in front of a video display unit ( VDU ) , interacts directly with the computer , inspecting the results produced by one request before deciding on the next .
3 Backfilling consists of putting in a layer of aggregate followed by layers of earth , tamping down each layer before shovelling on the next .
4 If a read or write operation is started on a peripheral device , the computer awaits the completion of this operation before continuing with the next .
5 Scan radially out from the AH to each performance instrument , returning to the AH each time before proceeding to the next instrument .
6 When one horizontal line of knots has been tied , they are beaten tightly together with the weaver 's comb before starting on the next line , and this continues upwards until the rug has been completed .
7 Such extractions are often required in molecular biology work to inactivate and remove enzymes used in one step before proceeding to the next .
8 In both subjects I am told that more time and more help is needed to spread the ideas , to run courses , to try out new approaches in different situations , to evaluate the success of the last step before embarking on the next , but the curriculum workers I met were disturbed that they were unable to provide what they knew teachers needed .
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