下列句子中都存在不一致的问题,请修改并指出属于哪类情况。
1)The old man always goes for a walk in that park, and it’s near to his apartment.
2)Each of the houses are painted different colours.
3)The real reason I was sleepy was because I got up early this morning.
4)He walked along the street, he suddenly realized he was lost.
5)The party was so dull.