আলআমিন কম্পিউটার: what is present indefinite tense

Present Indefinite Tense is used to express:

(i) A universal or general truth :

The earth moves round the sun.

Honesty is the best policy.

(ii) A habitual or permanent action :

He reads the Quran everyday

My watch keeps right time.

(iii) A near future action:

The school opens next week.

He returns tomorrow.

(iv) A present action:

It rains. He walks.

(v) Quotations from authors:

John Keats says, "A thing of beauty is a joy for ever".

(vi) Past events in order to make the narrative more lively:

Alexander now attacks the enemy. (This is called the Historic or Graphic Present)

Note: This usage is common with verbs of motion: Come, go, start, return, begin, close etc.