These figures again raise doubts over the [Bank's] assertion that GDP is being under-recorded.

I don't have any doubts. Zero doubts.

You got to raise doubts about his character, to give some pause to the religious conservatives who are looking on him as a very different candidate.

There are serious doubts creeping in about how big this season's crop is going to be.

These figures start getting bigger and bigger and bigger each year.

There's definitely nothing wrong in having a lot of doubts, but having nothing to doubt a definitely wrong person by a lot of people is.