Example sentences of "must [verb] at least [det] " in BNC.

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1 There is compulsory sex education in schools and this must include at least half an hour on the sexually transmitted diseases .
2 This authority must include at least these four elements : ( I ) the right to veto any applicant who , in the manager 's opinion , falls below the minimum standards of ability ; ( 2 ) the power to make work assignments ; ( 3 ) the power to carry out performance appraisals and , within the limits of company policy , to make decisions — not recommendations — about raises and merit rewards ; and ( 4 ) the authority to initiate removal — at least from the manager 's own team — of anyone who seems incapable of doing the work .
3 amount of the food likely to be eaten in a day must contain at least half the recommended daily intake
4 For this kind of complex evocation to be effective in multi-party talk ( such as conversation ) , the participants must share at least some of the speaker 's perceptions about the speech styles in question : in other words , the evocation of a persona is dependent to some extent on the existence of shared stereotypes among the parties to the talk .
5 Although it is again not possible to attribute developments definitely and exclusively to the project , the project must take at least some of the credit for the business-like way in which some school libraries now operate .
6 In future they must serve at least half .
7 And that is before you start taking into consideration commercial endorsements and appearance money which , at a conservative guess must add at least another $30–40m .
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