TED-ED: When to use apostrophes - Laura McClure

The video tutorial provides a refresher on the usage of apostrophes, covering their application in marking possession, contractions, and the plural of single letters. It explains the nuances of apostrophe placement, especially with proper nouns ending in 's', and highlights the importance of consistency in style. The tutorial also clarifies the common confusion between 'its' and 'it's', emphasizing that 'it's' is only used as a contraction for 'it is' or 'it has'. The video concludes with a brief overview of the discussed concepts.

How can you determine whether to use 'it's' or 'its'?

What is a double contraction and why are they generally not accepted in writing?