Example sentences of "has proven to [be] " in BNC.
Next page| No | Sentence |
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| 1 | Its underwater design is a refinement of the ‘ pure centerboard ’ concept that has proven to be so fast and seaworthy on the race course in Ted Hood 's series of Robins . |
| 2 | Paul , who commutes daily — a weekly total of 630 miles — from his home town of Dundee has proven to be an excellent draughtsman both manually and on CAD , gaining expertise on CADvance , AUTOCAD and Microstation Intergraph systems which are supported throughout FWWG . |
| 3 | This has proven to be a strong deterrent against theft . |
| 4 | This has proven to be the case in all of the uses of to examined to date . |
| 5 | Guillaume 's notion of a representation of person as a support within the infinitive has proven to be extremely fruitful for explaining the uses of this form discussed above . |