5 kalimat activities that i should do and 5 kalimat not do

I should go to school everyday
I should study the materials
I should wake up in the morning
I should understand about what my teacher explains
I should be a good person to everyone

I shouldn't come late to school
I shouldn't be lazy to study
I shouldn't sleep at the class
I shouldn't play handphone during study at the class
I shouldn't make homework at the school

I should do good things
I should use time wisely
I should always show good manners
I should help someone in need
I should be a positive thinker

I shouldn't be lazy
I shouldn't wasting everything
I sholudn't break promises
I shouldn't be a bad person
I shouldn't wake up late