Modals of Deduction

He has to work on Christmas Day? He _____ feel very happy about that.

Don't put it up there. It _____ fall off and hit someone.

We'll try to get there early but we _____ arrive late if there's a lot of traffic.

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

She always gets such good grades at school. She _____ work very hard.

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

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

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

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

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

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

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

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

He worked hard on his report, then accidentally deleted the file. He _____ be upset.

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