Example sentences of "have be show " in BNC.
Next page| No | Sentence |
|---|---|
| 1 | Most pilots have been shown the effect of gross over-ruddering during their basic training . |
| 2 | Again he is taking over precisely the ‘ modern ’ definitions and oppositions , between the normal and pathological , the natural and unnatural , etc. , which have been shown to be both confused and ideological in the narrow sense . |
| 3 | There is also strong evidence that we should increase the proportion of mono-unsaturated fats , as these have been shown to raise the level of HDL cholesterol ( see Heart Disease — the risks ) in the blood . |
| 4 | The past is still a foreign country , but we have been shown round it by the most genial and expert of guides . |
| 5 | The concentrations of DDT and PCB residues reported in many studies of dolphin and porpoise tissues have been shown experimentally to cause lowered fertility and premature births in both seals and sealions. exposure to PCBs can result in failure of the body 's immune system . |
| 6 | His successes and failures are now collected on 200 video tapes , some of which have been shown on television . |
| 7 | Often , both in America and in Britain , hostile takeovers have been shown to be reckless , mistaken and damaging . |
| 8 | In these experiments , two kinds of learning have been shown to be possible in a nervous system with fixed cell numbers and connections , by altering the effectiveness of synapses . |
| 9 | Much of her care is carried out by her parents , Mary and Shaun , who have been shown how to use a suction machine and to spot trouble . |
| 10 | The equivalent questions for eighteen year olds ask about specific skills which young people have been shown to need ( and often to lack ) when they leave local authority accommodation to live independently ( Stein and Carey , 1986 ) . |
| 11 | Several of them — constipation , confusion , urinary incontinence and difficulty seeing and hearing — have been shown elsewhere to increase with age ( Cartwright , 1990a ) . |
| 12 | By using chromatofocusing techniques and enzyme assays , the enzymes involved in the biocontrol action of Trichoderma have been shown to be chitinases. glucanases and proteases . |
| 13 | Many different viruses have been shown in field trials to be capable of giving very satisfactory levels of control of their host insect . |
| 14 | There is even opportunity to praise failure if great effort and determination have been shown . |
| 15 | There is debate as to the extent to which it is sexually transmitted , but in some reports up to 70 per cent of male partners of infected women have been shown to harbour the organism . |
| 16 | Dairy products , most notably cheese , have been shown to have an inflammatory effect on scalp conditions . |
| 17 | He writes : ‘ New song forms have been shown to arise variously by change of pitch of a note , repetition of a note , the elision of notes and the combination of parts of other existing songs … |
| 18 | Worm casts have been shown to contain enzymes which continue to break down organic matter even after they have been excreted . |
| 19 | They know how to do certain tasks , because they have been shown — but do they know why they are doing them ? |
| 20 | Thiazides have been shown to impair carbohydrate , ( Lewis et al , 1976 ; Ames & Hill , 1982 ; Murphy et al , 1982 ; Bengtsson et al , 1984 ) , lipid and lipoprotein metabolism ( Goldman et al , 1980 ; Joos et al , 1980 ; Grimm et al , 1981 ) , and may result in impotence ( Report of Medical Research Council Working Party on Mild to Moderate Hypertension , 1981 ) . |
| 21 | In non-diabetics several individual dietary modifications such as diets low in sodium ( MacGregor et al , 1982 ; Hoffman et al , 1983 ) and fat ( Rao et al , 1981 ; Puska et al , 1983 ) while high in potassium ( Khaw & Thom , 1982 ; MacGregor et al , 1982 ) and fibre ( Wright et al , 1979 ; Rouse et al , 1983 ) have been shown to lower blood pressure . |
| 22 | Subsequently , the microsomal fractions of human platelets have been shown to contain an enzyme which converts the endoperoxides , prostaglandin G 2 and H 2 to thromboxane A 2 , and the enzyme has been designated thromboxane synthetase ( Needleman et al , 1976 ) . |
| 23 | β-Thromboglobulin levels have been shown to be elevated in various types of vascular disease . |
| 24 | The festivals have been shown to be relatively successful by some indicators . |
| 25 | The trick will be to distil these desirable attributes from the new arrangements and to discard the harmful elements ; once they have been shown to be so . |
| 26 | Some techniques , such as cost analysis and cost minimisation analysis , proceed on the basis that the alternatives under consideration have been shown to be equivalent in effectiveness . |
| 27 | Porcupines have been shown to accumulate bone , and since they often live in caves they produce bone accumulations inside caves ( Maguire et al . , |
| 28 | The bones that porcupines carry to their lairs have been shown to accurately reflect the medium to large mammal fauna present in the region ( Brain , 1981 ) , but small mammal bone is not represented . |
| 29 | Hyaenas have been shown to accumulate large mammal bones at their dens ( Sutcliffe , 1970 ; Hill , 1975 , 1984 ; Horowitz & Smith , 1988 ) , leopards were probably involved in the accumulation of large mammal bones in the South African cave sites ( Brain , 1981 ) , and wolves and lions can accumulate large mammal remains by carrying prey to preferred eating places ( Haynes , 1982 ) . |
| 30 | None of these larger predators are significant accumulators of small mammal bone , but many species of small mammalian predator have been shown to accumulate small mammal remains in their scats ( Andrews & Evans , 1983 , and references therein ) . |