Exercise 1 – Complete the blanks with must, can’t, or might:

1. Look at that guy's enormous muscles. He work out a lot.

2. Michelle want to participate in the festival - it seems like the type of thing she'd be

interested in. Why don’t you ask her?

3. She goes camping every weekend. She really love the outdoors.

4. He worked hard on his report, then accidentally deleted the file from his computer. He

be upset.

5. You be right - but I'm going to check to make sure.

6. We're not sure if this painting is an original. It be worth thousands of dollars.

7. I not be able to go to the football game. It depends on whether I can get the

afternoon off from work.

8. He's working full-time and studying for his Ph.D. That be easy.

9. You just ate a huge dinner! You be hungry again already!

10.Wow - look at that diamond necklace. It cost a fortune.

Exercise 2 – Now complete the blanks with must, should, shouldn’t, or couldn’t:

1. I'm so thankful for your help with this project. I have done it without you!

2. The repairs I made have fixed the problem, but they didn't - so I'll have to take

another look.

3. It have rained a lot last night - there are puddles everywhere.

4. I have watched that horror movie; it gave me nightmares.

5. We have known about this; nobody told us anything about it.

6. If you’ve been trying to lose weight, then you really have eaten all that ice cream.

7. He have finished a 500-page book in a single day!

8. She never showed up. She have forgotten about our appointment.

9. He broke two of the plates while washing the dishes. He have been more careful.

10.They ate every bite of their dinner - they have enjoyed the food.