have/has + past participle.
Here are some examples of the past participle:
We use it to talk about a something that started in the past and continued until now.
Examples: I have been in California for 2 years. (From 2 years ago in the past until now, I have been in California. I didn't live in another place.)
or Karen has gone to school everyday since she was 5 years old. (From the time she was 5 years old -in the past- until now, she has gone to school. She didn't stop going to school.)
Check Your UnderstandingUse the present perfect tense. Check your answers by clicking on the arrows.
1. Jerry (play) basketball since he was young.
2. A: How long have you done karate? B: I (do) it for about 3 years now.
3. She was an ugly child. Now she (become) a beautiful woman.
4. Stephanie (be) at the library all day.
5. Oh no! The deer (eat) all of my flowers.
6. That little girl (read) all of the books on that shelf.
7. She said she (study) English for 8 years.
8. Thomas and Bill (watch) TV since 8:00 this morning.