修改病句.（看详细提问）
1、He should tells his mother the truth.2、I want some roast beefs and potatoes.3、I am going to have a cup of coffee behind my lunch.4、I have yet finished my work so far.5、We haven't seen her since five years.6、I stayed at the home yesterday afternoon.7、Hey,Mike!I saw you in television last night.8、I have been to there.9、We have gone to Shanghai many times.10、Have you known her for long ago?