Example sentences of "has therefore to be " in BNC.

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1 Their perseverance revealed the obvious : needs and capacities continue to change after a person has been de-hospitalized or moved from the parental home to a group home — and the developmental role has therefore to be seen as a permanent not a temporary one .
2 Spanish America 's new narrative has therefore to be seen not only in its local context , but in wider terms as part of the evolution of modern fiction generally .
3 There has therefore to be an agency of repression , and a means of maintaining repressed experiences in the unconscious state .
4 The stability of the water has therefore to be taken into account in assessing the value of a water supply and the need for treatment before use .
5 The calculation has therefore to be discounted to allow for the various imponderants .
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