Question

I........return before Inshu comes ​

Answer 1

I will return before inshu comes

Answer 2

I will return before Inshu comes. The word “will” is the declaration of person's wishes regarding disposal of property or estate after death especially.

It is the written instrument that are legally executed with the person makes disposition of his or her estate for taking the effect on death.

Would is the used as an auxiliary to make the future tense.