Present Perfect Simple
have / has + past participle
Past Events Connected to Present
Something that happened in the past but affects the present.
- I have lost my keys. (Now I can't find my keys.)
- I have been to Europe. (Now I can say that I traveled to Europe.)
- She hasn't eaten much today. (Now she is very hungry.)
- Have you done your homework? (Is it finished now?)
Something that started in the past and is not finished.
- I have only had 3 cups of coffee today. (I usually have 5 cups each day)
- She has been to New York twice this month. (And she's going again next week)
- He has not finished his homework yet.
Recent Unfinished Actions
Actions or events that ended in the recent past but at an unspecific time.
*Often used with words like just, recently, and already.
- The president just had a meeting.
- She has taken her exam already.
- The cats have recently eaten.
Something that happens over a period of time.
*Often used with since or for.
- They have lived in Germany for ten years.
- I've known her since I was a child.
- They have been dating for a while now.