Present perfect: Beispielsätze gesucht

ich denke,
dass du diese Frage in eurem Grammatikbuch oder ähnliches nachschlagen könnt.
und ich denke, dass du diese Aufgabe selbst lösen könntest.

I`ve bought a new sweatshirt,look.
Ben has had a web site for a few years now/since 1997.
Sarah has applied to three universities.
She`s been called for two interviews.
Diana has been in Australia since May.
I`ve always wanted to go to Hawaii.
I`ve cut my finger.
Tim`s band has given ten concerts so far.
How long have you had your camcorder?
A friend of mine has opened a pizza restaurant.