Example sentences of "[modal v] [prep] [be] [vb pp] [conj] [noun sg] " in BNC.

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1 It used to be argued that turbulence was necessary to ensure the oxygenation of the water and the continuation of the food supply , but it is now thought that the main role of turbulence is in getting rid of excess carbon dioxide .
2 It used to be argued that party strife declined rapidly under the first two Georges ; that political stability was finally established under Sir Robert Walpole during the 1720s , and by 1733 , as Plumb once put it , " the two-party system was at an end " .
3 Atactic polypropylene , a waste no longer produced , used to be stored as landfill but was subsequently recovered and sold for use in the manufacture of water repellent materials such as roofing felt .
4 In Scandinavia the root used to be eaten as bread , and the strongly flavoured seeds had all sorts of applications especially to alcoholic drinks .
5 It also used to be thought that pillow lavas could form only at great depths below the surface .
6 Though it used to be thought that internationalism was the preserve of the large , private corporation , today they have been joined by small firms and many state enterprises .
7 It ought to be noted that radio and television advertising titillates these status expectations by offering ( at a price ) beauty and recognition , power and recognition , love and recognition .
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