colloquial  usually written using kana alone  expression  auxiliary  abbreviation 

• if (it) doesn't exist, if there is no ..., if (one) doesn't have ...
• if not ..., unless ...
• have to ..., must ...

formal or literary term  auxiliary 

• not, un-

rarely used kanji form  usually written using kana alone  auxiliary  conjunction 

• in order to, for the purpose of
• must, should

conjunction  auxiliary 

• without doing, not being

auxiliary  Kantou-ben  Touhoku-ben  suffix 

• word used at sentence-end (like a particle) to indicate speculation, volition or invitation
• familiar suffix used after a personal name

conjunction  auxiliary 

• without doing ...
• don't

abbreviation  auxiliary 

• be, is

colloquial  auxiliary 

• I know, right?, don't you agree?, I thought you'd say that!, there we go

usually written using kana alone  polite language  auxiliary 

• seeming to be, appearing to be
• like, similar to

usually written using kana alone  auxiliary  Kantou-ben  Touhoku-ben  archaic 

• word used at sentence-end (like a particle) to indicate speculation, volition or invitation
• should, must