Example sentences of "they have be [vb pp] [to-vb] [adj] " in BNC.
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1 | They have been devised to place minimum strain on the lifter and her back , while ensuring that the patient is not at risk of falling or being dropped . |
2 | Dogs are polymorphic in appearance because they have been made to look different by selective breeding controlled by their human masters . |
3 | First , they represent a putative developmental sequence which reflects the child 's gradual mastery of language for dealing with abstract ideas and , second , they have been shown to generate high levels of inter-observer agreement ( Blank and Franklin 1980 ) ( see Table 7.3 ) . |
4 | They have been forced to drink dirty water and ration meagre food supplies while both Israel and Lebanon leave them to starve . |
5 | Consequently the professional should discuss what has happened with the parents and make quite certain they know exactly why they have been advised to adopt certain practices . |
6 | For the same reason they have been known to treat surrounding farmland as though it were a vast municipal park across which their dogs can roam or their children can ride their ponies without much thought for the consequences . |
7 | Now they have been told to restore normal services ‘ without delay ’ , but no deadline is stipulated . |