Looking on the internet deeply has found these results:

it was impossible that he was is the most popular phrase on the web.

it was impossible that he is 10 results on the web	it was impossible that he was 1997 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Upon seeing this, they all stopped, confused and worried, given that their combined attack should have killed Leo, and that it was impossible that he was ... It was impossible that he was still in the car. When I began to open the door I could see my little baby, motionless and I was pretty sure not breathing and my ... especially as I ... He had been taught that due to his age, it was impossible that he was so weak that he could not do it. The internal rage I felt at this response So it was impossible that he was inspired by the young churches to write this master piece. The churches in Galatia, which were among the earliest churches ...

it was impossible that he is

10 results on the web

it was impossible that he was

1997 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Upon seeing this, they all stopped, confused and worried, given that their combined attack should have killed Leo, and that it was impossible that he was ...
It was impossible that he was still in the car. When I began to open the door I could see my little baby, motionless and I was pretty sure not breathing and my ...
especially as I ...
He had been taught that due to his age, it was impossible
that he was so weak that he could not do it. The internal rage I felt at this response
So it was impossible that he was inspired by the young churches to write this master piece. The churches in Galatia, which were among the earliest churches ...