What is "I brush my teeth" in the Present tense?

Me cepillo los dientes

What is the conjugation for I woke up this morning?

me desperté a mañana

What is the conjugation for lavar using the pronoun nosotros?

lavábamos

What is the pronoun and conjugation for the verb cepillar in the question: Will you brush your teeth later?

se cepillarás?

What is the correct way to say I'm going to take a bath?

voy a bañarme o Me voy a bañar.