Example sentences of "has been [verb] [adv prt] since [adj] " in BNC.
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| 1 | The Electrochemical Technology business has been built up since 1981 to capitalize on ICI 's expertise in chlor-alkali production and electrochemistry. the FM21 membrane cell has been sold since that year , mainly as part of a chlor-alkali production package , but recent developments have led to its use in the manufacture of more complex speciality or ‘ effect ’ chemicals . |
| 2 | It has been built up since 1975 by combining Fiat 's original truck division in Italy with foreign acquisitions : Unic in France , Magirus in Germany , Pegaso in Spain and Iveco Ford in the UK ( in which Fiat has a 48% stake , but controls operations ) . |
| 3 | The case of the proposed sale by London University 's Royal Holloway College of a good Turner , Constable and Gainsborough ( in that order ) from the collection given to it by its founder Thomas Holloway has been rumbling on since 1988 , arousing increasing indignation in some academic and most heritage circles . |
| 4 | ICL 's parallel engine will effectively productise work that has been going on since 1989 under the auspices of a European Community Esprit II project known as the European Declarative System , EDS . |
| 5 | There are a number of problems caused by a protracted campaign — and arguably , this election has been going on since last autumn when everyone started wondering whether Major could pull it off . |
| 6 | Although the 20 cm square shaft has been known about since 1882 it is only with developments in recent technology that it has been possible to explore it by means of a video camera mounted onto a mini robot . |
| 7 | Although the pied flycatcher 's adultery has been known about since 1950 , it is only in the last few years that the scientist Rauno Alatalo and his colleagues , studying pied flycatchers in Sweden , have begun to unravel the finer details . |
| 8 | Considerable research has been carried out since 1973 by the Department of Geology at Cardiff University . |