All nouns form the PLURAL by adding J to the singular. Birdoj, birds. If objective, birdojn.
All ADJECTIVES end in A and agree with the noun in number and case. Mi havas belajn birdojn, I have beautiful birds.
The INFINITIVES of VERBS always end in I. Lerni, to learn. Pensi, to think.
PRESENT INDICATIVES end in AS in all persons singular and plural. Mi iras, I go. Ili iras, they go.
PAST INDICATIVES end in IS in all persons singular and plural. Mi iris, I went. Ni iris, we went.
FUTURE INDICATIVES end in OS in all persons singular and plural. Ŝi iros, she will go.
CONDITIONAL MOOD ends in US in all persons singular and plural. Li irus, he would go.
IMPERATIVE MOOD ends in U. Parolu! speak! Iru! go!
SUBJUNCTIVES are formed by using "KE" and the Imperative. Ke mi iru, that I might go.