doubting (part of speech: verb)
astonished (part of speech: adjective)
wondering (part of speech: verb)
- You are wondering whether I 'cut up' any while you were gone. - "Hector's Inheritance or The Boys of Smith Institute", Horatio Alger.
- I was wondering if some day she would accept me; but this was not what I brought out. - "Embarrassments", Henry James.
- She hurried into the priest's house, and left Rico wondering what could have happened to put her into such a way. - "Rico And Wiseli Rico And Stineli, And How Wiseli Was Provided For", Johanna Spyri.