中学句型转换
问题描述：
中学句型转换
1.Liu Ying piays basketball on Sundays.（用next Sunday代替on Sundays）
2.They watch TV every evening.（用yesterday代替every evening）
3.Be so sure.（改为否定句）
4.He must be Mr.Zhang.（改为否定句）
答
Liu Ying will piay basketball next Sunday.
They watched TV yesterday.
Not be so sure .
He must not be Mr.Zhang.