a. I've crashed your car I'm awfully sorry.
b. I've never read a better book in my life.
c. I've been painting the room for two days. It'll be finished soon.
d. I've painted the living room. I finished last night.
e. He's cut his finger.
f. I've never met a nicer person in my life.
g. I've lost my wallet.
h. There's my wallet! I've been looked for it for ages.