English translation:
~ly・~like・~al・typical
Structure
Noun + 的 ・ に + Verb
Noun + 的 ・な + Noun
English translation:
~ly・~like・~al・typical
Structure
Noun + 的 ・ に + Verb
Noun + 的 ・な + Noun
I think this might be a bug in the answer, but want to check here first:
時期__雨が降りやすい。
The hint & answer are “tie it to the verb” with Noun + 的 ・ に + Verb, but doesn’t 時期 describe the 雨 (and so Noun + 的 ・な + Noun)?
If you look at the translation it’s not modifying rain.
Ah, I see now - it is describing the likelihood of “falling”
Thank you!
The structure section, along with the paragraph below, seem to strongly imply these are the only two possible ways to use it.

But even in the examples there are other cases (i.e. adverb modifying adjective, without any connecting glue):
It might be nice to add some more detail to the lesson.