Example give general background to topic
present perfect/simple
present
As television has been labelled as an "influential teacher" by many professionals, the claim that "modern children spend more hours in front of television than they spend at school" is definitely worth further investigation. state purpose
simple present
If it is found that the quality and content of the children's programs promote the development of social and cognitive skills then these citations have, in fact, no relevance. state essay's thesis/position
simple present
Unfortunately, however, many studies show that children's television is lacking and is even, in some instances, harmful. The devastating effects of T.V. violence on the development of the children's aggressive nature state scope
simple present
is one of the main concerns when evaluating the effects of T.V. on children. In the Body of the essay, the writer again uses the simple present tense to describe the
way a particular piece of research is usually carried out (
paragraph 7 ). This constitutes