Example sentences of "[conj] they must have be " in BNC.

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1 This explains the abundance of deltaic sediments in the stratigraphical record of the continental areas , but one must also expect that such sediments will either not exceed a critical maximum thickness , such as that suggested above , or they must have been deposited in a tectonically subsiding trough .
2 Modern tackle has given today 's anglers a great advantage and simple things such as float control are now much easier than they must have been in the silk line and gut era .
3 Thus , where substantial quantities of the same material equipment or products are discovered , archaeologists tend to assume that they must have been produced by the same people .
4 That fact alone makes it clear that they must have been preceded into the air by other vegetarian forms which , judging from the primitive nature of their anatomy , were probably cockroaches , grasshoppers , locusts and crickets .
5 This confused Benny at first , until she realized that they must have been going deeper into the complex , while Froebe would have assumed she was making for the outside .
6 Although the nature of the vagotomies surveyes in these reports is not stated , the follow up period is such that they must have been truncal vagotomies .
7 And he concluded , quite soberly , that they must have been visited by muse .
8 And he went to them , and he found that they had n't a clue what they 'd written , and he concluded , quite soberly , that they must have been visited by a Muse .
9 Found hidden in a cist at Ballynaughton were 74 coins , the latest of which was an Elizabeth issue before 1561 , so they must have been deposited in the early part of her reign .
10 But the only difference that I see was that they pushed their ploughs there , so they must have been smaller than the ones we use .
11 Unfortunately the bastards are 13 points minus 2 games clear , so they must have been playing well .
12 Once they must have been dead level , but not for long It was Student Cross that had really swept him out of her reach .
13 Some of these straight orthocone nautiloids achieve considerable dimensions , several metres long , and they must have been formidable predators on the other marine animals of the time .
14 ‘ Only a very few failed and they must have been bloody awful . ’
15 Her rent would have certainly been paid in advance and the rent man , whoever he was , would likely be the only one who would come down here , except of course the child 's uncles , and they must have been hard put to it to resort to this hole .
16 Little was known about bacteria and viral infections , and they must have been hard to avoid without knowledge of modern hygiene standards , let alone the benefits of refrigeration and freezers .
17 The young lady doctor had said ten minutes , but they must have been here twenty .
18 This group may include the distant ancestors of the sharks , but they must have been somewhat ponderous animals compared with the streamlined hunters of modern seas .
19 What types of boats were used is hard to conceive , but they must have been small and of shallow draught .
20 Perhaps they were justified in recalling early days in makeshift cinemas and perhaps they had to mingle with the masses as they went in search of Chaplin movies , but they must have been aware that prestigious down-town and suburban theatres were now largely being patronized , not exclusively by a lumpenproletariat , but rather by a mix of social classes and perhaps above all by young people who were moving up the social scale into more respectable occupations .
21 How would you get them into the boat , because they must have been heavy ?
22 While they must have been closely linked , it would help if we could distinguish between the circulation of such goods and their deposition in graves , for it is the latter which is actually being studied .
23 It was true that the Simonova 's earthing crew had been slow to react — the more so since they must have been required to perform a similar task on both of the platforms which had been docked and inspected previously .
24 However , there are two exceptions : the Magellanic Clouds , so named because they were recorded by the Portuguese explorer Magellan in his voyage round the world — though they must have been noticed earlier , because they are very bright — and the Large Cloud is visible with the naked eye even in moonlight .
25 There was a Bede , Natura Rerum , in which the blues seemed still as intense as they must have been when first painted .
26 But to be fair to Green it was from his burning wish for people to admire the scenery , not from a desire to spoil it , that he made these suggestions , which certainly are not so far fetched in the 20th century as they must have been then .
27 The same thing is seen in a more hesitant form on another boy ( fig. 71 ) , and here the very slight tilt and turn of the head are part of a change in the pose of the whole figure , as they must have been in the fair-haired boy also .
28 Stephen liked to stand and watch , to imagine the druidical forms as they must have been , going about their ritual , and to wait in silence and stillness for the sun to perform his precise function .
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