I 'could have sworn' that I left my keys on the counter. [=I'm very surprised that my keys are not on the counter because I definitely remember putting them there]
The new president will 'be sworn in' tomorrow.
Witnesses 'are sworn' to tell the truth.
(..) - How were you to know the bank was being robbed? - That is correct. What is correct? I did not know... the bank was being robbed because I was engaged in my sworn duty... as a police officer. You didn't even arrest the old beggar. There was some question as to whether the (..)1975 The Return of the Pink Panther