Example sentences of "having be [verb] since " in BNC.
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| 1 | After over 300 days in space the cosmonaut Sergei Krikalyov returned safely to earth from the Mir space station on March 25 , his return having been delayed since December . |
| 2 | One of these is the tiny Fender 's Blue butterfly , Icaricia icarioides fenderi , a colony of which has been spotted in a remote area of Oregon 's Willamette Valley after not having been seen since 1937 . |
| 3 | gold 's value has been maintained over the centuries due to the limited quantity of new supplies ( maximum output , at the present time , 1,000 tonnes per annum ) , only about 100,000 tonnes having been mined since 4,000 BC ; |
| 4 | Union des populations camerounaises ( UPC — Union of Cameroonian Peoples , operating latterly as a Paris-based clandestine organization , having been banned since 1960 ; it was held responsible for unrest in the 1960s and was regarded as communist-led ) . |
| 5 | In late May 1991 it was reported that there had been a serious outbreak of dengue fever in the Cook Islands , with almost 800 cases having been reported since the beginning of the year . |
| 6 | In 1967 the formal grade of Geologist was dropped in favour of Scientific Officer , the former title having been used since 1840 . |
| 7 | Atucha 1 , Argentina 's first nuclear plant , reopened on Jan. 10 , 1990 , having been closed since 1988 due to technical failure [ see p. 36204 ] . |
| 8 | It 's well proven having been shipped since nineteen eighty seven but provides new advanced technology with the new System Ten release . |
| 9 | The control regime was liberalized for computer , machine tool and telecommunications technology ( microcomputer exports having been permitted since August 1989 ) ; companies seeking exceptions to remaining restrictions would have to wait only eight weeks for permission , rather than 12 weeks as hitherto ; and countries such as Czechoslovakia , Hungary and Poland , if they were prepared to introduce their own controls on use and re-export , might expect more favourable treatment . |