Put the verbs in the correct tense

1. If I were you, I
   [ ]
   my summer holiday volunteering.
2. If you
   [ ]
   in class, you would have understood how to do the assignment.
3. Samantha wishes she
   [ ]
   a job.
4. If I had the time and money, I
   [ ]
   backpacking around the world.
5. When you give money to shelters, you
   [ ]
   many homeless people.
6. It's chilly; I wish I
   [ ]
   a sweater.
7. If he
   [ ]
   hard, he will pass his exam.
8. If people
   [ ]
   contaminated water, they get sick.