expressions (phrases, clauses, etc.)colloquialword usually written using kana alone
1.if there is no ...; if (it) doesn't exist; if (one) doesn't have ... expressions (phrases, clauses, etc.)auxiliarycolloquialword usually written using kana alone
2.if not ...; unless ... expressions (phrases, clauses, etc.)auxiliaryabbreviationcolloquialword usually written using kana alone
3.have to ...; must ...