It was surmised from certain observations, made by the police patrol at the scene of the accident.

He was the first to point out certain important observations relating to glacial motion and structure.

Given the number of countries involved, do we even know what meaning certain observations may have for people around the world?

Yes; that appeared in certain observations which escaped him sometimes.

But there is something interesting about how liberals in the media can get away with making certain observations that conservatives never could.

There are certain general observations that might favour the predator argument.

However, I would like to make certain observations which may be useful in this second phase which is so necessary.

Perhaps I might, at this juncture, be permitted to make certain observations.

Despite its failings, though, the telescope still has unique abilities to make certain observations.

There are, however, certain observations that might lead us to question this latter, apparently reasonable, statement.