5. Present Perfect Tense is used when we talk about life experiences. 6. Present Perfect Tense is used when we talk about accomplishments. 7. Present Perfect Tense is used when we talk about changes that has occurred over periods of time. Recognition of Present Perfect Tense; Difference Between For and Since. Sentence Structure: Since and For The present perfect tense shows that an action happened in an unknown time in the past. The effects of a present perfect verb continue to the present. It is also used to express experiences such Use the present perfect tense. 2 the most exciting thing you have ever done. Use the present perfect tense. 3 a place you once visited. Use the present perfect tense. 4 where you live. Use the present perfect tense. 5 the last film you watched. Use the present perfect tense. Check that the forms of the verb to have and the past tense main verbs An event that happened at an unknown time in the past. An event that happened in the past, but is important today. An event that started in the past and continues today. A period of time that has not finished. We can use the Present Perfect Tense to talk about a period of time that has not finished. 3. Present Perfect Tense Present perfect tense expresses action completed at the present time (perfect means complete) or begun in the past and continuing into the present. This tense uses the helping verbs has and have and the past participle of the verb. Examples: He has written a letter to his uncle. To form the present perfect in the affirmative (positive) function, place the present tense form of ‘to have’ after the subject, then use the main verb in the past participle form. E.g. I have seen it all. The present tense form of ‘to have’ is ‘have’ for the 1 st and 2 nd person singular and plural, and the 3 rd person plural. .

present perfect tense time