We look for bases from bottom up. Start with the root; to do so removed what you think are the affixes. If you ripped off re-, -er-, +at, and +or, you did well. The root is `frig'. We find this root ...

So here’s a quick recap of the ‘Rules for adding the suffixes–er, -ing, -ed, -est and –y.’ VO:Rule 1 is that for any word that ends in two consonants you just add the suffix. Words like ...