1.  A modern capitalist state can not openly use coercive powers to help one class accumulate capital at the expense of others.

2.  A public body which has power to construct lavatories can not use that power in order to build a subway under a street.

3.  A supplementary statement can not be used to amend the evidence recorded in an earlier statement.

4.  After four weeks they still had not got used to the gravelly voice and the song that seemed to lie in it.

5.  Because it costs more than sodium chloride, it is not used much for roads.

6.  Britain does not use the single currency.

7.  Careful growers use none of these, preferring instead a grain diet with some chicken fat.

8.  Comparative politics, in particular, can not use experimentation for both practical and ethical reasons.