1. You have to study hard.
2. You don't have to study hard.
3. You have not to study hard.
(Is #2 the same as #3?)
We don't use # 3.
# 2 could also be written: You do not have to study hard.
2. You don't have to study hard.
3. You have not to study hard.
(Is #2 the same as #3?)
# 2 could also be written: You do not have to study hard.