Example sentences of "[vb -s] that they [verb] [prep] [be] " in BNC.

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1 She says that they need to be fed every two hours or so .
2 Apart from its limited spatial resolution the main disadvantage of this technique is that , for it to be safe , it has to be done with isotopes with extraordinarily short half-lives and that means that they have to be prepared on site .
3 The overriding criterion of speed means that they have to be written in a traditional programming language , such as FORTRAN .
4 The pressure ‘ head ’ normally needed for operating an instantaneous water heater , typically 10m or 15psi ( pounds per square inch ) , means that they have to be connected to the mains .
5 An ill-informed perception of schools suggests that they need to be ‘ protected ’ from the ‘ real ’ and harsh decisions involved in administering employment legislation , school meals , plant and buildings : ‘ they do not understand what we do , the services we undertake on their behalf , in order that they can get on with teaching the children . ’
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