Expressions (phrases, clauses, etc.)
have to (do, be); must (do, be)
AbbreviationColloquialat sentence end; after the -nai stem of a verb or adjectivesee ないといけない
もう行かないと。Got to go now. is indispensable; is absolutely necessary
AbbreviationColloquialat sentence end; after the -nai stem of a verb or adjectivesee ないといけない