4A modals of deduction

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

I ________________ not be able to go to the football game. It depends on whether I can get the afternoon off from work.

He's working full-time and studying. That ________________ be easy.

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

He worked hard on his report, and then accidentally deleted the file from his computer. He ________________ be fed up.

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

Wow! Look at that diamond necklace. It ________________ cost a fortune.

You just ate a huge dinner! You ________________ be hungry again already!

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