Japanese white book/Class 1

common objects (1~30 living stuffs)
 1~5 

 6~10 

 11~15 

 16~20 

 21~25 

 26~30 

Common abjections
 1~5   6~10 

Changes in verb forms

 * 五段動詞 (ごだんどうし)
 * Basic change use in verb those word are include in the う(u)line.example include 行く、使う、泳(およぐ). . . ,the end of word are all included by the う(u) line such as く(ku)、う(u)、泳(ぐ)
 * Japan change contain have six kind of variations, 1.未然形 2.連用形 3.終止形4.連体形5.仮定形6.命令形 list in below chart.

Changes in noun forms

 * Below chart list out most variety in noun.

Auxiliary Verbs

 * Auxiliary Verbs use on fixing the verb, to help clarify the sentence statue, example たい(wish) can put after verb to transform meaning
 * 買いたい (I wish to buy) = 買う(buy) + たい(wish)
 * Irregular verbs (する and 来る) have different changes.
 * したい (wish to do it) = する(do) + たい(wish)
 * 来たい (wish to come) [きたい] = 来る(come) + たい(wish)

Time

 * 分（ふん）
 * 時（じ）
 * 秒（びょう）
 * 午前（ごぜん）
 * 昼（ひる）
 * 夕（ゆう）
 * 夜中の十二月
 * 午前零時