How to use "assume" in a sentence

With this pledge taken, I assume unhesitatingly the leadership of this great army of our people dedicated to a disciplined attack upon our common problems.

"You want the order right away, I assume."

Zachariah would report their conversation in detail, and Dombey needed to assume a more balanced position for the record

'I assume you have a night watchman at your factory, Monsieur Delambre