What he did is clearly impossible, but I saw him do it.
Acquiring this particular set of circumstances was clearly impossible all the time.
It was clearly impossible to go back for the moment.
This level of information is clearly impossible to handle by present means.
This is clearly impossible, but some sort of relation cannot be excluded.
Only because I wish to live, and that is clearly impossible if you do not.
It would be clearly impossible to form a viable nation given these conditions.
I don't mean increased state aid - that's clearly impossible.
It was clearly impossible for him to stay on in the studio.
Would it be any use my going to him and - but no, that was clearly impossible.