1. Present Perfect Tense The autumn has already arrived How do you know?
2. Present Perfect Tense FORM: have / has + past participleAffirmative: I have seen the film before. She has seen the film before.Interrogative: Have you seen the film before? Has she seen the film before?Negative: They haven’t seen the film before. He hasn’t seen the film before.
3. Present Perfect Tense Uses of the present perfect1- Recent events: It is used to describe recent events without a definite time. The idea of time or place in the speaker’s mind makes the event recent. A time expression may emphasize recentness: just, recently, latelyWhy are they so happy?They have just won a prize sothey are really pleased
4. Present Perfect Tense2- Personal experiences: It is used to express personal experiences, there is not a definite time given. The time expressions ever and never are very often used with this meaningI have never been to Japan.Have you ever been there?
5. Present Perfect Tense3- It is used to express actions that started in the past and continue to the present, the time period is not finished. We use for and since with this meaning. We use for with periods of time and since with points of time. I haven’t eaten since yesterday morning. I am really hungry I haven’t drunk anything for two days. I am terribly thirsty
6. Contrast between Present Perfect and Past SimpleWe use definite expressions with the Past simpletense: yesterday, last week, … ago etc, while wedon’t use definite time expressions with the Presentperfect tense.I have been to France three timesWhen did you go there last?I went there last Summer
7. Contrast between Present Perfect and Past Simple Gerald has bought a new car. He bought it last week. Have you met Ray? – Yes, I met him when we were students. My parents have been to India. In fact, they went there twice last year. Has anybody phoned me? – Yes, Joyce phoned an hour ago. I’ve seen that man before. – Really? When did you see him?
8. Present Perfect TenseHave you ever listened toclassical music before?Where did you hear it?
9. Present Perfect TenseHave you walked along ariverside similar to the one onthe photograph?When did you do it?
10. Note the difference • He has been to London. Now he is here. He can tell you wonderful stories about London. • He has been in London for two weeks. He is still in London. • Where’s Peter? He has gone to London. He is in Italy or on his way to London.