Example sentences of "[conj] they have [adv] been [v-ing] " in BNC.

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1 Although they have apparently been happening for much longer , abductions first started coming to light in the late Sixties , but they 've really taken over UFO culture since the publication of Communion in 1987 .
2 Although they have only been trading for the last ten years , they continue the tradition of using a water powered mill which started in the 1800s .
3 Perhaps it is because the fishermen have been demonstrating so much recently that they have not been catching so much fish . ’
4 ‘ Mr Taylor has completed ignored the fact that Catholics have been under the jackboot of the IRA and loyalists for over 20 years and it is ridiculous to say that they have not been living in fear . ’
5 He went on : ‘ They are normally engaged in planning non-emergency journeys but since there have not been any it was felt that they have just been sitting around socialising when others are working long hours .
6 It it means that they have n't been doing their duty in the winter then .
7 Yet another way in which people may judge the costliness of different types of credit is how reasonable they think any credit terms are that they have recently been using .
8 This is no mean task , especially if they have not been doing any recruitment for the past few months .
9 A number of experiments on bone modification in soil have been initiated , but they have only been running for five years and so far there is no good evidence of any change .
10 However , a substantial proportion of the long-term cases are children who have been taken into care against the wishes of their parents because they have not been receiving adequate care or control .
11 Would-be buyers who have been returning home empty-handed ( because they have not been offering sufficiently high prices ) have not learned that it is necessary to outbid other buyers ; would-be sellers who return home with unsold goods or resources ( because they have been asking prices that are too high ) have not learned that they must , if they wish to sell , be satisfied with lower prices .
12 I think these projects have , within their localities , often faced a lot of criticism , because they have perhaps been trying to move too far or too fast .
13 Even when they have not been beating a religious drum , Western historians have been censured for their myopia in treating modern science as if it were an exclusively Western phenomenon .
14 George and Marie are very disappointed , especially as they have both been working around the clock since the expansion , managing the Brasserie and L'Auberge respectively , interviewing and training new staff ( labour turnover has been high at the Brasserie from the start and is now significantly higher at L'Auberge too ) and filling in whenever necessary at either establishment .
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