He begs you to believe that at a gesture of your majesty everything will be possible to him.
"He begged me to believe that he wasn't a murderer or involved in any way."
It was a vulgar one- this I begged him to believe.
I would beg you to believe that I am not bluffing.
She begged me to believe her, and I very nearly did.
"I beg you to believe, Sir, in my best sentiments."
- not in the least, I beg you to believe.
"I beg you to believe him, sir; he can have no need to deceive us."
Deep within herself, she begged him to believe her.
She looked at me as if begging me to believe.