Present Perfect

The present perfect tense serves to express an action that happened in a moment of the past, or that was repeated many times in the past, or an action that began in the past and continues to the present. To form the perfect present is written have or has according to the subject and the main verb in participle. The participle of regular verbs is formed with the ending -ed:


1-. I have worked

2-.How many times have you been to Tokyo?

3-.She has learned to speak Russian. 

4-.Stacy has become very successful. 

5-.How has she done it?

6-.They have never eaten there before.

7-.You have changed so much! 

8-.I haven't changed one bit.