His success astonished everyone.
Your behaviour has astonished me much.
I was astonished at his conduct.
I am astonished.
His courage astonished us.
His success astonished us.
People were astonished at the feats of the juggler.
The news that I heard astonished me.
I was astonished at his ignorance of facts.
I am astonished at his way of talking.
His behaviour astonished me.
Her conduct astonished me.
I was astonished when I saw him.