PRESENT PERFECTThe present perfect simple expresses an action that is still going on or that stopped recently, but has an influence on the present. It puts emphasis on the result
STRUCTURE The structure of the present perfect is: Subject + Auxiliary verb + Main verb + complement (have-has) (Past participle) Examples:
I have seen Titanic
She has gone to Europe
HAVE OR HAS? You use have or has according to the pronoun you are working with. For third person you have to use has.
FORM OF PRESENT PERFECT
WHEN DO WE USE THE PRESENT PERFECT?
TIME EXPRESSIONS FOR PRESENT PERFECT FOR - SINCE Used as prepositions in sentences in present perfect tense expressing that an action still goes on. FOR: A period of time E.g.: I have lived in Bogota for 10 years SINCE: The moment when the action started E.g.: have lived in Bogotá since 2001
Already means that something happened earlier than we expected. It usually goes after have or has and before the main verb. Eg : We've already had our breakfast Yet means that something that we expected has happened or hasn't happened. We usually put it at the end of a sentence. It is used in interrogative and negative sentences, Eg: Has the post arrived yet? She hasn’t do her homework yet
Exercise on Present Perfect Simple Put the verbs in brackets into the correct form (present perfect simple). I (not / work)today. : I havenotworkedtoday We (buy)a new lamp. We (not / plan)our holiday yet. Where (be / you)? He (write)fiveletters. She (not / see)him for a long time. (be / you)at school?
THE FORM OF THE PRESENT PERFECT TENSE Complete the text using the correct form of the verb in brackets:
Jack (be)______my friend for over 20 years. We (know)______ each other since we were children. Recently, he and his family (move)_____ to a house on the same street as me, and now our children play together almost every day. For the last ten years, Jack and I (play)______ for the same hockey team every Saturday. Jack is a better player than I am, but in the last few months he (have)_______ some trouble with his left knee, and he (find)_______ it hard to play a full game. He (see)_______ the doctor several times about his knee, but the doctor doesn't know what is causing his pain. Jack (decide)______ to take a break from hockey for a while, so that his knee can recover. It's going to be lonely on the team without him!