1. Present perfect with for and since

2. Simple past I lived You lived He/she/it lived We lived You lived They lived Present perfect I have lived You have lived He/she/it has lived We have lived You have lived They have lived

3. The past form describes a single, completed action at a particular time in the past. Yuki lived in Tokyo for ten years. (she doesn’t live there now.) I met my friend Jack six years ago. (My sister introduced us. ) Roger arrived at 11:00. (He appeared at the office at a specific time. )

4. The present perfect can describe an action that began in the past but continues into the present. Yuki has lived in San Francisco for three months. (she left Tokyo three months ago. She came to San Francisco to live, and she lives there now.) I have known my friend Jack for six years. (I met him in the past, and I continue to know him and have him as a friend. ) Roger has been here for two hours. (He arrived at the office at 11:00. It is now 1:00, and he is still here. )

5. The present perfect is formed with have/has +the past participle of the verb. I’ve had my cat Boostie for four years. She’s had her bird for a few months. (Note: ‘s= has, not “is”)

6. Use how long to ask about time in a question. Use for and since to talk about time. How long have you studied English? I’ve studied English for five years. (I continue to study En.) How long has Hank played basketball? He’s played basketball since October. (he still plays basketball.)

7. Use for to refer to duration of time. For thirty years. For thirty years. For two minutes. For two minutes. For three days. For three days. For two weeks. For two weeks. For a month. For a month. For ten years. For ten years. For millions of years. For millions of years. For a long time. For a long time. For many years. For many years. Use since to refer to a particular time. Since 4:00. Since 4:00. Since this morning. Since this morning. Since lunch. Since lunch. Since Monday. Since Monday. Since August. Since August. Since 2006. Since 2006. Since I was a child. Since I was a child.

8. Thank YouThank YouThank YouThank You By: Samieh Pourlahiji