Example sentences of "have tended [to-vb] [prep] [art] " in BNC.

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1 Some markets , which once had a homogeneous character , have tended to splinter into a variety of consumer groups , each with different tastes and preferences ; for instance , see Box 16.1 .
2 In the past , some terminal manufacturers have developed proprietary solutions to the problem of adding windowing functionality to character-based applications , but these have tended to fall by the wayside .
3 It has always been noticed that information technology skills , of which we shall need more and more in the coming years , have tended to lag behind the demand for those skills .
4 This , of course , is what schools have tended to do in the past ; they have created new ‘ options ’ on the over-crowded curriculum shelves .
5 Up until now serious collectors have tended to rely on the famous New York Stadium/Stokowski version in Francesca , and either Szell or Karajan in the Marche ( of which there is a ludicrously overinflated 40 plus versions in the current catalogue ) !
6 Moreover , since the early 1980s they have tended to gloss over the ‘ neutrality ’ component of this plan .
7 However , on balance a majority of UK economists have appeared to favour the discretionary cost-benefit approach or have thought the rules approach too dogmatic ( see e.g. Sutherland 1970 , Howe 1972 , Utton 1975 , Fleming and Swann 1989 , and George 1989 ) , and have tended to argue for a continuance of the present investigatory policy with some considerable strengthening of procedures .
8 Well I think there 's a difficulty here because I think one of the questions is a matter of perspective erm how do you define how you define what sexual harassment is is to an extent a factor of your perspective on the question in that I think that tutors who have been thinking about it in recent years , and women tutors , who have taken the lead in it , have tended to think about the implications from the institutional perspective , that is how do tutors behave to their students and in what ways may that affect students ' studies and their live in the college .
9 Studies of children 's comprehension of causal connectives have tended to concentrate on the empirical mode .
10 Some have tended to concentrate on the problem of men 's systematic violence towards women and on the power relations involved in contemporary forms of heterosexuality .
11 This is difficult , particularly as most studies of the effects of the plague have tended to concentrate on the fourteenth-century epidemics , the Black Death of 1348–49 and the further outbreaks of the next generation , rather than on the recurrent visitations of the fifteenth century ( see Framework ) .
12 Recent cases in this area have tended to concentrate on the aspect of duty rather than remoteness .
13 Recently government ministers and the media have tended to concentrate on the small minority of very young women who have had babies and who live on their own .
14 Leaving aside the question of whether these descriptions may be generalized beyond the British context , a problem with the approach is that writers have tended to concentrate on the ‘ outward and visible signs ’ , the more manifest differences in collective bargaining structure , unionization , pay determination , conflict and so on , without providing a more general framework within which these phenomena may be seen .
15 Television documentaries have tended to play on the more harrowing aspects of the subject , rather than the normal day-to-day lives .
16 Since all foreign relief organizations dealt with Pomgol and with Eiduk as chief plenipotentiary , subsequent non-Russian scholars have tended to over-concentrate on the workings of Pomgol and its guberniia equivalents .
17 Problems have tended to occur in the settlement of transactions .
18 Studies of aid projects have tended to focus on the results of such projects and have lacked detailed analysis of what preceded the projects or the political and bureaucratic factors which have led to a project being implemented or abandoned .
19 Biologists who have come after Darwin have tended to focus upon the role of competition in driving evolution .
20 In particular , indirect attempts to uncover the phenomenon have been made by Crenson and others , but these have tended to founder on the difficulties of separating the notion of a ‘ latent issue ’ , for which one relies on observation of declared but otherwise undeveloped wishes of significant actors , from that of ‘ real interests ’ , which introduces altogether different problems of method , and of course takes one completely out of the field of behaviourism .
21 The rate of acquisition of these various classes of assets has varied from year to year but with the exception of overseas securities holdings , which have tended to rise as a proportion of the total since 1980 , there are no significant trends .
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