Sentence examples for impossible to know whether from inspiring English sources

It is impossible to know whether such pledges will hold.

It is impossible to know whether the events are connected.

And because drug testing is so limited, it is impossible to know whether doping is widespread.

But some toxicologists say it is impossible to know whether the toxic chemicals are entirely gone.

It's impossible to know whether members do this because of the sworn secrecy.

But it is impossible to know whether a more forceful response would have produced better results.

"It's impossible to know whether what was said was based on real fact or just hearsay".

Burwell says in her letter that "it's impossible to know whether these trends will continue".

It is impossible to know whether the impact of these encounters will be fleeting or transformative.

It's impossible to know whether any of this influenced the 1997 election.

But it's impossible to know whether they had any affection for their previous wardens.