1) yes, it was / no, it wasn't
2) yes, they will / no, they will not
3) yes, they were / no, they were not
4) yes, it was / no, it wasn't
5) yes, I will / no, I will not
6) yes, she is / no, she isn't
7) yes, I am / no, I'm not
8) yes, the were / no, they were not