put the verbs in the correct form of present perfect simple and for, since and already in the correct places

Put the verbs in the correct form of present perfect simple and for, since and already in the correct places.
1. I have already finished my homework. Let's go play!
2. The head teacher has been very busy this week.
3. He has broken his hand so he can't write.
4. I have been at this school since this autumn.
5. We have lived here for 5 years now.