Example sentences of "have [vb pp] to be [adj] " in BNC.
Next page| No | Sentence |
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| 1 | Our attempts to reconstitute in vitro transcription from highly purified factors have proven to be inefficient , indicating that additional components , present in less pure fractions were required to facilitate efficient in vitro transcription . |
| 2 | Early concerns about the safety of plasma-derived hepatitis B vaccine , especially the concern that infectious agents such as HIV present in donor plasma pools might contaminate the final product , have proven to be unfounded . |
| 3 | In modem times , many people have claimed to be able to see fairies . |
| 4 | In fact , Marie Hoader tried to account for the negative consequences of unemployment in terms of five things that employment provides in our society , five sorts of experience that more and more , as we are industrialized and as more and more people are involved in working in employment , erm have come to be important and provided via employment , and we talked of two of those earlier — one 's activity and one was time structure — and you 've just raised the issue of feeling that you 're contributing to society in some way , that you 're part of a collective purpose , that you 're not just drawing things out , you 're also doing something useful with your time . |
| 5 | But " originality " presents a difficult problem because ( unless you are doing advanced research ) you are unlikely to be in a position to advance new facts or radically new interpretations , or even to have a wide enough knowledge of what other people have written to be sure that you are not duplicating it . |
| 6 | We would wish to stress again , with the district council 's support I suspect , that that overshoot really it 's to sites within the urban area , as in windfall sites in general planning terms we have seen to be acceptable er in planning terms , but we would wish to stress that part part of that approach has been a continuing resistance to development on greenfield sites on the edge of the the urban area . |
| 7 | Though in a different way , what we have seen to be true of Gide was also true of Wilde : ‘ running foul of the law in his sexual life was a stimulus to thought on every subject … . |
| 8 | Yet Dr. Elliott is elsewhere in print ( on the back of an Abbey Records LP ) as maintaining as almost certain that Carver composed the superb anonymous 6-Part Mass , ‘ Cantate Domino , ’ intimately related musically to Fera Pessima , which survives in partbooks from Lincluden ( Dr. Elliott has edited it from performance , and declared it ‘ shows more assured technical command ’ than Fere Pessima itself ) ; while the Carver Choirbook itself contains a fine anonymous 3-Part Mass which several scholars have suspected to be genuine Carver — and which is moreover largely in his hand . |
| 9 | Or possibly , like sweet , besotted Linda in Nancy Mitford 's The Pursuit of Love , you have decided to be philosophical about your beloved 's insistence that ‘ these little sins of the body are quite unimportant . ’ |
| 10 | Which places have grown to be major market towns in the central Pennines , and which river is each on ? |
| 11 | Another problem according to Lewis ( 1983 , 149 ) is ‘ the lack of an adequate conceptual framework ’ and as a result ( 1983,149 ) : ‘ most rural studies have tended to be empirical and holistic , thus lacking comparability and depth ’ . |
| 12 | Where they have considered human reasons these have tended to be simplistic explanations of defence or relationships to field systems and land uses . |
| 13 | Planet X 's supporters point to three ephemeris difficulties suggesting a tenth planet : the Uranus observations can not all be made to fit , and the residuals show systematic trends ; a few known sightings of Neptune before its identity was established are difficult or impossible to fit ; and predictions of Neptune 's orbit have tended to be inaccurate . |
| 14 | Furthermore the structures of the lexical entries have tended to be proprietary to the system making it impossible to exchange lexicons between systems . |
| 15 | This was clearly a response to the devastation of war but in general the public commissions that have provided work for our artist craftsmen and women since then have tended to be bland and factual . |
| 16 | Until now period performances have tended to be abrasive and to whizz through the slow movements , making even the sublime Largo of the Double Concerto into a trivial siciliana . |
| 17 | Crude advertising discrimination has tended to be directed at the socialist rather than social-democratic press , thus exempting the mass-circulation , pro-Labour papers that have flourished ; … small circulation publications further to the left which have tended to be poor advertising media , judged by the commercial criterion employed by advertising agencies , have probably also suffered as a consequence of overt political discrimination . |
| 18 | Most recent linguistic explanations have tended to be internal to linguistic theory : that is to say , some linguistic feature is explained by reference to other linguistic features , or to aspects of the theory itself . |
| 19 | Speaking to The Art Newspaper Ms Lyles noted that while there have been major surveys of British watercolours in recent years ( such as that held at the British Museum in 1985 ) these have tended to be in-house shows , with the emphasis on highlights from individual collections . |
| 20 | Theoretical arguments in organization analysis have tended to be deter-ministic . |
| 21 | We noted in chapter 2 that traditional accounts of language history from around 1550 have tended to be unidimensional and convergent . |
| 22 | Several investigators have attempted to culture biliary cells but the methods described have tended to be complicated and difficult to apply . |
| 23 | I mean in the past in has always turned out that what people have thought to be elementary turns out never to be elementary . |
| 24 | Erm I 've mentioned accessibility , I would raise that again , I 'm a non-driver erm it 's easy to hop in a car and get from here to Chelmsford , if you want to do it by public transport it is a nightmare erm the meeting here on , on Monday which was very poorly attended , and I understand that 's been the pattern right across the area , and I do n't think the health authority is that interested in finding out what people have thought to be honest ! |
| 25 | Since there has been such extensive research on both systems we have had to be selective : we have therefore confined ourselves to discussing just one line of work in connection with each . |
| 26 | With the advent of computerised axial tomography ( CAT scan ) this is likely to be less of a problem in the future , but in the past researchers have had to be content with less sophisticated methods . |
| 27 | The Australians have had to be content with the second favourites slot in front of their home crowd . |
| 28 | ‘ I have had to be flexible and open minded on selection for all of the six-and-a-half years I have had this job , ’ said Roxburgh . |
| 29 | Where Aldus have had to be careful is in avoiding building-in power features which would , for the average user , totally unbalance the product . |
| 30 | We found that the length of time transported chickens spent in this catatonic state matched that which researchers elsewhere have shown to be typical of the very highest levels of fear . |