I doubt in a sentence

I doubt his story.

I doubt her words.

I doubt if it will.

I doubt if he will come.

I doubt if he is honest.

I doubt if he is a lawyer.

I doubt if he will succeed.

I doubt the truth of his story.

I doubt if he will come on time.

I doubt the truth of the report.

I doubt his ability to do the job.

I doubt the truth of his statement.

I doubt that she loves you.

adjusting
I doubt if he’ll come to school today.

I doubt the veracity of his statement.

I doubt whether he will win both races.

I doubt the authenticity of the document.

I doubt the new proposal will be accepted.

I doubt if Bob will come to my birthday party.

CN
I doubt that he can make a speech in public.

Scott
Admitting that he is honest, I doubt his ability.

Granted that he is honest, but I doubt his ability.

He promised to repay the money, but I doubt his word.

I doubt if anyone even remembers his name now, except for me.

I doubt that he did it on purpose.

He’s not that mean.