Example sentences of "have proved themselves to [be] " in BNC.
Next page| No | Sentence |
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| 1 | They have proved themselves to be hardy and disease resistant in a wide range of environments and are efficient food converters but perhaps not as thrifty as less productive breeds . |
| 2 | Over the past few weeks , the heirs to Lord Denning 's mantle have proved themselves to be determined defenders of the people and upholders of justice . |
| 3 | I think that American trustees have proved themselves to be very powerful in the 1980s ; the British system is to leave power very significantly with the director and the curators . |
| 4 | Amazingly , Brazil has excelled in the world of motor racing , producing not one , but two , but three world champions , all of whom have proved themselves to be great drivers . |
| 5 | These include the ‘ Talking Pelican ’ and ‘ Key Crossing ’ facilities which have proved themselves to be successful . |