Example sentences of "they have [been] [v-ing] [noun sg] [noun] " in BNC.

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1 They 'd been designing tube amps for decades , and manufacturing them on site , whereas other companies were perhaps wanting to get into the tube amp market from scratch .
2 At Harwell laboratories , they 've been monitoring air pollution and found the levels went up during the recent hot spell .
3 They 've been using flight manouevres last seen in the Vietnam war to avoid being hit by gunfire from the ground .
4 They 've been making VIDEO diaries , which go on show next month .
5 They 've been going for years , they 've been making motor oils , engine oil , it 's called filtrate so that 's the liquid .
6 They 've been making vitamin pills at GR Lane Health Products in Gloucester for sixty years .
7 Oh yes but they 've been doing distance learning course they 've got the biggest distance learning course in Europe
8 On March 9 the Polish Foreign Ministry protested to the Lithuanian government about a decision to ban by April 1 all textbooks printed in foreign countries , which in particular affected Polish schools in Lithuania as they had been using history books printed in Poland .
9 I think my parents were rather surprised at my reaction , because I was their first child and they had been following child development textbooks that said that children ought to start making social relationships at two .
10 They have provided a wonderful opportunity to get to know dolphins in the wild , and several of the females have given birth over the years they have been frequenting Monkey Mia , thus enabling study of their maternal care and child development .
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