Example sentences of "[adj] [noun pl] do occur " in BNC.

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1 No specific complexes were observed when this oligonucleotide ( WT ) was incubated with HeLa extract ( data not shown ) , although several faint non specific complexes did occur .
2 If unavoidable delays do occur the operative should be paid at the basic rate and the hours excluded from bonus calculations .
3 Even if it eventually transpires that the Lorenz equations do not satisfy the conditions necessary to justify the rigorous analysis ( but see { 33 } ) , it is none the less true that a great many ( infinitely many ) homoclinic orbits do occur in the system though perhaps not distributed densely through all r-intervals .
4 As Butterworth ( 1983 ) points out , there are cases where similar exchanges do occur for other word-final fragments .
5 False starts do occur in written language but they are far less common .
6 Though many genetic fluctuations do occur , most die out because they fail to confer any survival advantages on gut-dwelling microbes .
7 When persistent problems do occur there may be an underlying medical reason .
8 Great crises do occur in the midst of structural change and , in fact , are part of the process helping to carry those changes through .
9 Nevertheless , great changes do occur and have been well documented .
10 After all , good results do occur , even if they are only temporary .
11 Occasionally , however , clinical signs do occur to produce the " reinfection syndrome " which is usually mild , but occasionally severe .
12 In this process violations of fundamental rights do occur . ’
13 Regardless of the experience of your senior nurse momentary aberrations do occur , particularly under pressure , and he or she may simply not have realised the implications of what was being asked .
14 But occasional misfortunes do occur and that 's unavoidable , although one must keep in mind that patients with severe forms of this disease who are untreated used to died , now they do not .
15 The study concludes that ‘ teasing of disabled children does occur both in and out of school … older pupils and those in integrated schooling are particularly likely to come across such behaviour . ’
16 That the situation was as it was , and hence that certain events did not and certain events did occur , is indeed much of our reason for asserting the conditional statement but not part of the statement .
17 Critical or significant lesions do occur however in a high percentage of patients .
18 In other populations , appropriate conjugation-causing plasmids are present , and recombination between bacterial chromosomes does occur .
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