Matt's Syntactic Ambiguity Case #1

"I can't be late for work." As spoken by Matthew Sharpe, is an example of Syntactic ambiguity. In this particular case the ambiguity arises from the sentence being interpreted as either

A. There is no set time for my arrival.
or
B. There will be consequences if I show up late.

For more on Syntactic Ambiguity consult the following Wikipedia article.