View full lesson: http://ed.ted.com/lessons/when-to-use-apostrophes-laura-mcclure It's possessive. It's often followed by S's. And it's sometimes tricky when it comes to its usage....
========== Is it a flying comma,
or a quotation mark chopped in half? Either way, you may already be well-versed
in how to use the apostrophe, but here's a quick refresher on its usage. The apostrophe can be used in three ways: to mark possession, to mark contraction, to mark the plural of single letters. Most of the time, if you see an apostrophe
hovering helpfully near a word, it's trying to mark possession
or contraction. First, let's look at how the apostrophe
marks possession. As you can see, the placement
of this punctuation mark can really change
the meaning of a sentence. "Those robots in
the sand are my sister's." "Those robots in
the sand are my sisters.'" "Those robots in the sand are my sisters." When showi...