Sentence examples for this was certainly possible from inspiring English sources

This was certainly possible.

This is certainly possible, and it's reasonable to wonder why, if Geithner introduced his reform proposals in late March, so little progress has been made on them.

This is certainly possible, but then you're losing the ability to track all of your expenses easily through your monthly bills or through sites like Mint.

This is certainly possible, but, even if this was the case, the two systems were so different in their use of signs that it is clear that they developed independently.

This is certainly possible, given enough willpower.

This is certainly possible in an university environment.

This is certainly possible, and there are several ways to do it, just as in (i).

I don't to sound like I'm shilling here, but it really is a pretty serious advance in PMPs, unless (and this is certainly possible) there are ones already doing this equally well over in South Korea or Japan.

In letters sent to the FCC by cable associations, small ISPs allege that the rules have increased costs of compliance, and this is certainly possible — but none of the letters include any numbers to back that up.

This is certainly possible.

This is certainly possible for some companies.