这本语法书有整整一章专门讲不规则动词。

This grammar book has a whole chapter dedicated to ___irregular verbs.

"Child" 变成 "children" 是因为它是一个不规则名词。

"Child" becomes "children" because it's an ___irregular noun.

你需要记住像 "good"、"better"、"best" 这样的不规则形容词的各种形式。

You need to memorize the forms of ___irregular adjectives like "good," "better," and "best."