1)cant, can
2)could, couldn't
3)couldn't, could
4)can,can't
5)could, couldn't
6)can, can't
7)couldn't, could
8)can,can't
9)could, couldn't
10)can, can't
1)cant, can
2)could, couldn't
3)couldn't, could
4)can,can't
5)could, couldn't
6)can, can't
7)couldn't, could
8)can,can't
9)could, couldn't
10)can, can't