My husband was so flabbergasted he dropped his car keys.

Tom stood there flabbergasted.

Tom seemed to be flabbergasted.

I was flabbergasted.

I was really flabbergasted when I heard the news from Jane.

I'm flabbergasted to hear that my best friend died last night in a car accident.

I was flabbergasted to hear that she died of a drug overdose. She always seemed like such a straight arrow to me.

I'm flabbergasted.

I think that Tom is flabbergasted.

I'm flabbergasted to hear that from you.