The simple present

1.      With dynamic verbs, this tense expresses:

-          habitual or repetitive activity Shee drinks  tea for breakfast every day

-          ‘timeless truths or facts’:; Water boils at 100 Celsius.

-          In commentaries, demonstrations, and performatives, it serves to report events simultaneous with the speech event: He passes the ball to Smith, and Smith scores; I take three eggs and beat them in this basin; I name this ship ‘Fearless’.

2.      With static verbs, it refers to

-          a present or timeless state: It contains sugar; Air consists of oxygen and other gases.

3.      With private verbs (of sensation, mental processes, etc.) it expresses how things are: I smell something burning; I think he'll come.

4.      In statements about the future, it shows that events have been arranged (time-table future): The train leaves at 6.

5.      In literature and conversation, as the historic present, it reports past events dramatically and dynamically: He comes up to me and says …

6.      With verbs of communication, it states or informs: The Bible says …; John tells me that he is going to Spain.