Example sentences of "[pers pn] have been used [prep] [adj] " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | In England sea urchins are especially easy to collect from the Cretaceous chalk , where they have been used as one of the fossils for dating the rocks . |
| 2 | They have been used for many years as propellants in aerosols , in the production of some foam packaging and as coolants in refrigerators . |
| 3 | They have been used for thousands of years , one of the earliest references to salt being in the Old Testament when Lot 's wife was turned to salt in the desert . |
| 4 | They have been used with great success in the analysis of repeated measures data and ar increasingly coming to be used to efficiently analyse complex sample surveys . |
| 5 | The real test is whether they have been used in all the cases where there has been flagrant abuse , and I have reason to believe that the traffic commissioners are doing their job competently in that connection . |
| 6 | Although finite state grammars are weak they have been used in computational systems . |
| 7 | Variants of it have been used in many situations . |