Answer:just like the English language, there are tons of nouns. But if you mean pronouns, they are:
Ich Wir
Du. Ihr
Er/sie/es. Sie (formal)
Then the conjugations are as follows using the verb kaufen (to buy):
Ich kaufe. Wir kaufen
Du kaufst. Ihr kauft
Er/sie/es kauft. Sie kaufen
I learned this acronym in German to help with verb endings:
(E)very (st)reet (t)urns (en)d (t)o (en)d
These all apply from ich to sie, respectively
Step-by-step explanation: