Verb types; question to Finnish learners

Hello all Finnish learners on italki!

I'm constantly trying to find better ways to teach, and I thought I'd turn to you for some inspiration and ideas. I'd love to hear your thoughts on the Finnish verb types.

Have you systematically studied the verb types? Are you currently studying them?

What is your biggest struggle with the verb types?

Any epiphanies you've had whilst learning the verb types?

If you're an advanced student, do you know the verb types or do you get by without knowing them?

Thanks in advance! :)

Emmi