1.   Catch some flies, small moths, mosquitoes or other fairly small insects and keep them alive in a jar.

2.   Doctors are obliged by law to keep them alive while there is a chance of recovery.

3.   Doctors face a moral dilemma when a patient can be kept alive but has no chance of real recovery.

4.   Faith and credulity, vision and delusion can only be distinguished provided that in case-studies the issue of ontology is kept alive.

5.   He kept his head down under fire, avoided trouble, trusted in luck to keep him alive.

6.   He was kept alive on a life-support machine.

7.   Paramedics fought for an hour by the roadside to keep him alive.

8.   Prolonged use of the liquid, which keeps children alive in the beginning, often causes liver failure later.

9.   Some do well in aquariums, while others seem to resist all attempts to keep them alive.