Example sentences of "[modal v] have occur " in BNC.

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1 That Howe 's resignation should have occurred so opportunely for Heseltine — on the very eve of the one time of year that the party rules permit a leadership challenge — was extremely important .
2 It seems strange that this great surge of medical interest in dietary fibre should have occurred only in the past decade .
3 The Realist approach , he remarks , gets its name from precisely this point : that it deals with human nature as it is and not as it ought to be , and with historical events as they have occurred , not as they should have occurred .
4 Quite why this should have occurred nobody could explain , but Nigerian audiences had developed a particular liking for Jamaican ‘ toasters ’ — disc-jockeys who usurped the role of singers by half scatting , half shouting over backing tracks in a style half mystical , half political , but wholly saleable .
5 Today it seems incredible that such a restriction should have occurred .
6 The subjunctive in French allows the speaker to adopt this purely imaginary position from which he can give a verdict on whether a happening should have occurred or not .
7 any authorised deductions should have occurred at an earlier stage than when the trustees received the monies ; when the monies came to the trust they had " come home " ; and 2. there was no heading under which the deduction could be made .
8 It is also unquestionably misleading to assume , as Engels does , that such a stage must have occurred as a precursor to the emergence of the State in Greece or Rome .
9 Indeed , it must have occurred on just one of those summer evenings she mentions , for I can recall distinctly climbing to the second landing and seeing before me a series of orange shafts from the sunset breaking the gloom of the corridor where each bedroom door stood ajar .
10 It 's a little surprising , then , that similar phenomena had not been recognized prior to 1902 , since they must have occurred on numerous occasions in the past .
11 It must have occurred ‘ in the performance of the duties of the employment' ; and
12 Although we do not have a satisfactory explanation for the U/Pb fractionation , it must have occurred at shallow depths in the mantle , near a spreading ridge ; and the resulting enriched source regions have since remained fixed relative to the migrating lithosphere .
13 Subsurface mass increases of 10 9 –10 10 kg followed by decreases must have occurred , and these bracketed the January 1990 summit pyroclastic eruption which ejected 10 9 kg of material .
14 Homosexuals must have occurred previously in the family , but they were not recognized .
15 Yet it is clear that something akin to what Kazantzakis depicts must have occurred in actuality .
16 The list of nations descended from Noah 's sons ( Genesis 10 ) makes it clear that the flood must have occurred very early indeed .
17 Since Europeans could obtain their diamonds only from India some technical interchange must have occurred .
18 Again , a substantial withdrawal of allegiance from Aethelred must have occurred .
19 Imagine the losses that must have occurred in them during the years of Harrogate 's greatest popularity .
20 If curve A in Figure 6.9 applies to Mercury then the erasure of craters must have occurred throughout a fairly extended period during the final stages of formation .
21 The very early stages of the universe , however , are an arena where such energies must have occurred .
22 While the earliest sources give no clue to the date of Molla Fenari 's appointment to the Muftilik but simply state that he was Mufti , later Turkish tradition has asserted that the Muftilik was created in the time of Murad II ; and as it is almost universally held that Molla Fenari was the first Mufti , his appointment , if the tradition is to be believed , must have occurred after 824/1421 , the year of Murad II 's accession .
23 Nevertheless changes must have occurred even in this route , for , during the fourth century , it was partly built over .
24 Even allowing for the probability that Time was no non-stop streamliner , faring ever forward at the same speed every day of creation , some fresh interruption of Nature must have occurred to explain its present serpentine course .
25 However , plumes are generally enriched in those elements that are enriched in the Earth 's crust , and studies of radiogenic isotopes showed that this enrichment must have occurred hundreds , if not thousands , of millions of years ago .
26 For a bet , he had once broken into the flat where a certain Vice-Questore was entertaining a lady friend and removed the couple 's clothes so stealthily that the Vice-Questore thought something supernatural must have occurred and came over all religious for a while .
27 It was easy to pin-point the period of time within which the theft must have occurred , and not too difficult — was it ? — to find out where the great majority of you had been during the crucial forty-five minutes .
28 ( b ) The request by the consumer must have occurred within a reasonable time of the occurrence of the damage ( s. 2(3) ( b ) ) .
29 This was hardly a comparison to Æthelred 's advantage , and must have occurred to many , who would doubtless have further agreed with Ælfric that a just war was one " against the cruel seamen or against other nations who desire to destroy our homeland " .
30 ‘ It must have occurred to you before you dropped your bombshell that it would distract Simon , ’ Vitor said , starting to pace up and down the confined space like an enraged tiger trapped in a too small cage .
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