I frankly doubt if Francine is fit to look after children.

He frankly doubted that would be the case.

Though Gideon frankly doubted that last, sympathy for her plight made him weigh the former.

It was a tall order, and he frankly doubted he could do it.

I had by now read so much about old roses that I frankly doubted they could live up to their billing.

I frankly doubt that you will produce anything to shock me.

Although she frankly doubted whether that would help or hinder the resistance.

"I frankly doubt that it can be done without bipartisan support."

I frankly doubt that my son-in-law even remembers that meeting.

"But I frankly doubt you have the power to stand against us."