His knowledge might be astonishing.

I should be astonish by seeing you

I'd be astonished if I'm wrong.

You'll be astonished, I promise you that.

You’il be astonished. I promise you that.

Not that anyone admiring you should be astonishing.

You shouldn't be astonished to find friendship outside your family.

Don't be astonished, ask yourself, is there any reason for you to be at the top?

In fact, if he had an inquiring mind, his knowledge might be astonishing.

The people here will be astonished at the change in their lives... digestion, bowel movements...