Question

Present perfect tense examples positive negative interrogative

Answer 1

An action or situation that started in the past and continues in the present. I have lived in Bristol since 1984 (= and I still do.)
An action performed during a period that has not yet finished. She has been to the cinema twice this week (= and the week isn't over yet.)
A repeated action in an unspecified period between the past and now. Wehave visited Portugal several times.
An action that was completed in the very recent past, expressed by 'just'. I have just finished my work.
An action when the time is not important. He has read 'War and Peace'.(= the result of his reading is important)