Polite endings and the first verb patterns. Not a unit exam — just the pieces you actually use when you say you're a student or you ate yesterday.
Japanese te-form for beginners: the て shape that links verbs — eat, then go, then see.
GrammarJapanese ます form for beginners: the polite present ending for verbs like たべます and いきます.
Grammarです vs だ for beginners: です is the polite copula. だ is the plain one. Same meaning, different room.
Nori