101.   The system already exists in embryo.

102.   The character exists in real life.

103.   Research opportunities exist in a wide range of pure and applied areas of entomology.

104.   A school dental service exists in theory, but in practice, there are few dentists to work in it.

105.   I am well aware of the depth of feeling that exists in Londonderry.

106.   ...the variety of food crops and flora which now exists in Dominica.

107.   It exists in dreams rather than actuality.

108.   ...the absolute depravity that can exist in war.

109.   Racism still exists in our society.