believe
(verb)
believe + someone
I believe her.
believe + something
I believe her story.
believe + clause
I believe she’s telling the truth.
believe + that + clause
I believe that she’s telling the truth.
be believed + clause
It is believed he was forced to step down.
be believed + that + clause
It is believed that he was forced to step down.
be believed + to + base form
He is believed to be the oldest person in the country.