11.   The child knows that objects are permanent and that they continue to exist even when they are not visible.

12.   The child must know how to win back the favour of its parents.

13.   The children knew that shoplifting was against the law.

14.   Living in a warzone, the children knew the meaning of fear.

15.   York Cottage was as near to a permanent home as the children knew.

16.   But it could be several weeks yet before these children know the fate of their school.

17.   The federation had asked to meet the council after a local sample survey showed that three out of five school children did not know the name of their townland.

18.   The children do not know about his sex-change, and that is why the new couple prefer to stay anonymous.

19.   Did the children know that they were being studied, and did the teachers know that they were taking part in such an experiment?

20.   Sir Keith Joseph has recently gone on record as saying that he wished that examiners could be more objective in their assessment of what children know.