Sentence examples for been impossible to know from inspiring English sources

But they were no longer able to speak or communicate, and doctors say it would have been impossible to know what they wanted.

While students who leave the city schools are categorized using one of dozens of "discharge" codes, it has been impossible to know how many moved from the city, how many voluntarily chose to transfer to a different program, and how many were pushed out.

It is impossible to know.

It's impossible to know.

It's impossible to know, of course.

It's impossible to know for sure.

It is impossible to know for sure.

It was impossible to know anymore.

It was impossible to know.

But it's impossible to know".

"It is impossible to know how serious.