Question

Choose the correct sentence. A. I studys all weekend for​ today's test. B. I study all weekend for​ today's test. C. I studied all weekend for​ today's test. D. I studyes all weekend for​ today's test.

Answer 1

The correct answer is C. I studied all weekend for today's test. I am positive that this answer is correct. 

Answer 2

C. Definitely, ed is past tense