[nari] (prt) (1) or; whether or not; (2) (after dictionary form verb) as soon as; right after; (3) (after past tense verb) while still; with previous state still in effect; (P) #130
[keri] (aux-v) (1) indicates recollection or realization (i.e. of hearsay or the past); can form a poetic past tense; (2) indicates continuation from the past to the present; (3) (also written with the ateji 鳧) end; conclusion
[masenanda ; mashinanda ; masenkatta ; masendatta] (exp) (pol) (arch) (See ませんでした) suffix used to negate a verb in the past tense
[masen] (exp) (pol) (See ない, ます) suffix used to negate a verb in the non-past tense
[masendeshita] (exp) (pol) (See ません) suffix used to negate a verb in the past tense
[warota] (exp) (sl) (past tense of ワロス) I LOL'd (2Chan slang)
[かこけい, kakokei] (n) { ling } past tense
[かこじせい, kakojisei] (n) { ling } past tense; preterit tense
[ことがある, kotogaaru] (exp, v5r-i) (1) (uk) (after the past tense form of a verb) (something) has occurred; to have done (something); such a thing happened; (2) (uk) (something) happens on occasions; there are times when; (P)
[ことがない, kotoganai] (exp, adj-i) (1) (uk) (after the past tense form of a verb) (something) has never occurred; to have never done (something); such a thing has not happened; (2) (uk) never happens; there is never a time when
[ことにする, kotonisuru] (exp, vs-i) (1) (uk) to decide to; (2) (uk) (after the past tense form of a verb) to pretend that; (3) (uk) (as 〜ことにしている) to make a practice of doing; to make it a rule to
[ほうがいい(方が良い;方がいい);ほうがよい(方が良い;方がよい), hougaii ( houga yoi ; houga ii ); hougayoi ( houga yoi ; houga yoi )] (exp, adj-i) (See した方がいい) (after past tense verb) had better (verb); (after negative verb) had better not (verb)