Conjugation

Japanese verb conjugates in various ways.
Rules of the conjugation are very difficult to learn, but there are several basic points.
First of all, you had better to meet various verbs as many as possible.

vocabulary
watashi;I,my,me
watashi-wa(or -ga);I
watashi-no;my
watashi-o;me
yomu;read
hon;book
In Japanese, we don't have article and definite/indefinite article.

Watashi-wa hon o yomu. ; I read a book.
"o" should be added the end of an object word then the noun will change to an object in a sentence.

Watashi-wa hon o yomanai. : I don' t read a book.
"nai" means denial word.

Watashi-wa hon o yomu darou.; I will read a book.
"darou" =will

Watashi-wa hon o yonda. ; I read a book.(past tense)