The sentence below contains errors. Select the option with the correct use of tenses.
I will revised my course at least three times before my final examination.
1
I will have revised my course at least three times before my final examination.
2
I must revised my course at least three times before my final examination.
3
I would revised my course at least three times before my final examination.
4
I will be revised my course at least three times since my final examination.