In English grammar, the simple present tense refers to the type of tense that describes actions which happen on a regular basis. The sentence, "The boy studies in school," provides an example of the tense's use.
Tenses in English grammar generally indicate whether an action occurs in the past, present or future. While present tense refers to something that is happening now such as, "The reader is reading the answer to this question," simple present tense describes something that happens on a routine or habitual basis. An example of the previous sentence in simple present tense would be, "The reader reads the answers to these questions every Monday." Uses for the simple present tense include to describe daily habits, routines and permanent situations.