If

1.

I. If I study,I will pass the exam.

II. If I studied, I would pass the exam.

III. If I had studied,I would have passed the exam

2.

I. If I have a super power, I'll be a villain.

II. If I had a super power, I'd be a villain.

III. If I had had a super power, I'd have been a villain.

3.

I. If you treat me some ice-cream, I'll stick to you.

II. If you treated me some ice-cream, I'd stick to you.

III. If you had treated me some ice-cream, I'd have stuck to you.

4.

I. If she trust him, she'll be doomed.

II. If she trusted him, she'd be doomed.

III. If she had trusted him, she'd have been doomed.

5.

I. If you hate them, they'll attack you.

II. If you hated them, they'd attack you.

III. If you had hated them, they'd have attacked you.

6.

I. If my cat get hungry, it'll eat something.

II. If my cat got hungry, it'd eat something.

III. If my cat had gotten hungry, it'd have eaten something.

7.

I. If you laugh too much, you'll cry afterwards.

II. If you laughed too much, you'd cry afterwards.

III. If you had laughed too much, you'd cried afterwards.

8.

I. If I stay awake, you'll sing me a lullaby.

II. If I stayed awake, you'd sing me a lullaby.

III. If I had stayed awake, you'd have sung me a lullaby.

9.

I. If I mess up, you'll stand with me.

II. If I messed up, you'd stand with me.

III. If I had messed up, you'd have stood with me.

10.

I. If I cry, you'll be there.

II. If I cried, you'd be there.

III. If I had cried, you'd have been there.