下列句子中均有一处错误,请找出错误点并把正确答案写在横线上.
1、How is Jack yesterday?
2、He go to school by bus next week.
3、Did you saw him just now.
4、Mary doesn't likes running.
5、He often gets up at 6:00 last month.
6、There will is a show tommrrow.
7、Will Mary comes to China next year?
8、Is the children swimming now?