Which 3 of these sentences are WRONG?

Which 3 of these sentences are WRONG? 1. Personally I would rather stay at home tonight.2. If the weather gets worser, we we’ll have to cancel the picnic.3. The man confessed that he committed a very serious crime and was going to arrest.4. I heard a very amusable story. It will make you laugh.5. Fred has been very naughty lately. 6. I know, Jessica is coming on the next train.