3. We normally use the Present Perfect when we want to talk about something which happened in the past but is relevant now. Often we use words like just/already/not ...yet with the Present Perfect. I feel really tired. I've just finished my report. I haven't spoken to Yarden yet but I've already spoken to Sarit. Carol Wolff
4. We also use the Present Perfect to talk about an imprecise time in the past, but as soon as we become precise we switch to the Past Simple. e.g. I've never been to South Africa. Have you ever been there? Yes I have. I went in 1999. Carol Wolff
9. We use it for something that happened in the past BUT when the present result is important. e.g: I think I have eaten something bad. I don't feel well. Carol Wolff
10. With words such as : just, recently, lately , the present shows that something happened in the recent past close to the present. e.g. They have just left. If you run quickly you can catch them. Carol Wolff
11. Used for something that started in the past and continuous into the present. e.g. Ron has eaten something rotten and he is still in the hospital. Carol Wolff
12.
13. When people are dead or it is History. e.g. Amoz Oz has written many books. How many songs did the Beatles write. Carol Wolff