what is the meaning of past , present and future tense?please fast......

Past tense is the tense which we use to express something that has gotten over.
Present tense is used to express something being done right now or some action that you do for everyday.
Future tense is used to express something that you may, might, will or shall do later on.
 

Experts, maestros, Swarup Patra's Super Please(SP's SP) for two likes.