Example sentences of "have been suggested [det] " in BNC.

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1 It has been suggested that sister parties within the Socialist International are not allowed to compete with one another .
2 It has been suggested that alienation from others ( both staff and patients ) on the ward often precedes suicide ( Morgan and Priest 1984 ) .
3 Maintenance of information in verbal memory is based on sub-vocal rehearsal of material held in a fading phonological store and it has been suggested that maintenance of spatial information in memory over short periods is also carried out by an active control process based on a response system .
4 It has been suggested that acetylation probably inactivates the drug , as is often the case with hepatic metabolism of drugs .
5 It has been suggested that susceptibility to autoimmune disease in general , including Crohn 's disease , is under the control of a single dominant gene , the specific clinical effects of which are determined by other genes , hormonal influences , and environment triggers .
6 The mechanism is unknown , although it has been suggested that activation of tumour necrosis factor ( TNF ) may be responsible .
7 It has been suggested that Methodism generally produced an attitude of mind and sense of resignation as well as the habits of order and " industry " which combined to reinforce in the proletariat the necessary submission to the disciplinary imperatives of industrial capitalism .
8 It has been suggested many times since .
9 Although this had been suggested many times before , Stuart was the first to succeed , and his work shaped the future of the extension system .
10 At the summer Examination it had been suggested that
11 Next she considered the potatoes : in the past she had always cooked them in their skins , but recently it had been suggested that potato skins , if not carcinogenic , were yet harmful to the system , perforating the bowel or preventing it from absorbing the vital vitamins .
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