Sentence examples for is it doubtful from inspiring English sources

Not only is it doubtful whether HIV can be passed on from PLHIV whose antiretroviral therapy has succeeded in reducing their blood viral load to undetectable levels[ 55], research shows that one of the effects of HIV diagnosis on PLHIV is a focus on trying to reduce the possibility that the infection could be passed on[ 34, 56].

But it is doubtful it fooled anybody either.

It's doubtful; it's a real comedy killer.

It is doubtful whether it ever had any real existence.

But it's very doubtful it's from the UK trade.

It is also highly doubtful whether it can be successful.

"It is doubtful and the rules are that when it is doubtful, then do not flag.

It is even doubtful whether product labelling was understood.

It is somewhat doubtful that this argument can be successful.

It's doubtful that it will appreciate hugely.

We cannot pass it by, because it is doubtful.