you have to do
You don't have to do it.
Eso es lo que tienes que hacer.
That's what you have to do.
Es lo único que tienes que hacer.
That's all you have to do.
No tienes que hacer lo que ella dice.
You don't have to do what she says.
A veces tienes que hacer las cosas tú solo.
Sometimes you have to do things on your own.
You have to make an effort.