Which preposition to use with dumbfounded

at Occurrences 6%

As we stood there dumbfounded at the disappearance of the body, the Highlander's quick glance caught something, and stooping he picked it up and examined the little object by the aid of his lantern.

before Occurrences 1%

In due course of time the mortar was taken to the envious and suspicious sculptor, who stood dumbfounded before it, and told the customer that there was nothing left but to carry this masterpiece of carving back to him who fashioned it, and order a plain article for himself.

in Occurrences 1%

I stood before her dumbfounded in admiration.

on Occurrences 1%

The jeweller stood dumbfounded on the landing; then he heard the window go up and the voice of Brother Burge, much strengthened by the religious exercises of the past six months, bellowing lustily for the police.

over Occurrences 1%

"He said: 'They all seem to be amazed and dumbfounded over me having a white woman for a wife.'

than Occurrences 1%

[Illustration: Francis I. surprises Henry VIII.44] Never was man more dumbfounded than King Henry, who said to King Francis, 'Brother, you have done me a better turn than ever man did to another, and you show me the great trust I ought to have in you.

Which preposition to use with  dumbfounded