After this period, students would be able to

1) grasp the structures of present perfect tense (positive, negative, interrogative, etc.)

2) acquire a deeper understanding of the differences between past simple tense and present perfect tense and then a better ability to j udge when to use which tense;

3) recover and strengthen their understanding and knowledge about the functions o f present perfect tense and the concept of durative verbs and transient verbs.