will

[Mr. X]

Hello,

You will fail if you don't study.

Is 'will' okay here, or must we say would because it is conditional?

Mr. X

[Fillet]

Hello,

You will fail if you don't study.

Is 'will' okay here, or must we say would because it is conditional?

Mr. X

I think I've asked this question (indirectly) in my If clause thread.

I think you still have to use "will" since you said "don't".