Acquisition of Tense by Persian and English Speaking Children Between 2 to 4 Years Aged

This research is case study which was designed to investigate the acquisition of tense by Persian and English speaking children between 2to4 years aged. Four girls were precisely analyzed in order to figure how the tense of verbs is effective in their speaking that learners need to succeed in their daily lives. The subjects were randomly selected to study and the matter of gender was not considered. The study uses real language, real people, real places to connect learners of English to the world. In order to find out if the learners succeed to speak more fluent during their special age. The study was conducted in 12 hours in twelve sessions, three sessions for each child in about one month, each session lasted about 1 hours. All their partners were their parents, peers, and care-giver. Their voice was recorded by a phone. At last, all their dialogues were analyzed to find out how they state verb tenses. At last, it was found that children who are 2 aged use a few verb in the past tense and use more widely in present tense. And 4 aged children presented a large number of present tense and more past tense verbs consequently their speaking is more fluent in compared with the younger children.