The chase is actually cookery lesson The noun modifies the noun. It's a compound word.

Also tell the class that it's a cooking lesson It's a linguistic convention

Answer for example this sentenceyou can drink it without cookingyou can drink it without cooking

You're using it as a verb here because there's no predicate in the sentence, and there's a lack of a predicate verb. So cooking is used as a verb, depending on the sub-case! ~

Chase No, I'm just asking if the cooking lesson is a cooking lesson or a cookery lesson

It has nothing to do with the predicate or anything

Answer Oh, so the answer is cooking lesson

Chase Our teacher said it's a cookery lesson Noun. A noun is a compound word.

Though there is the expression swimming lesson. But it indicates being swimming. But cooking lesson does not indicate being cooking.

The answer could also say that the cooking lesson is in progress! This cooking lesson means it is in progress! So you can also use cooking lesson

Follow up on our teacher's comment that it's a cooking lesson

Answer Then listen to the teacher! You don't really need to get serious here. Since we're asking, none of us are right, but it's good to look into it! ~I'm not sure I'm right, but it's good to look into it!