How to say you should have prepared for the lesson. in Japanese
1)
授業授業(jugyou) (n,vs) lesson/class work/teaching/instructionのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question予習予習(yoshuu) (n,vs) preparation for a lessonをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,してくるべきno dictionary result, likely a conjigated verbだった wasのにのに(noni) (prt) although/when/and yet/despite this/in spite of/even though/but even so/but even then/however/nevertheless/for all that/notwithstanding that/while/if only/i wish/i tell you/you should do/in order to。。(。) Japanese period "."
