てしまう => Did something N4
Secondary Verb
うと~まいと,うが~まいが => Whether or not A (is/occurs) N1
Based/focused/depending on
まま => Still, unchange N4
Situations and Experiences
~ましょう。 => Let's (together), Shall I/we…? N5
Verb suffixes
だろうと[思「おも」]う => I think probably A N4
Sentence Endings
ようと[思「おも」]う => I think I will A N4
Causative, Passive, Volitional
~ます/~ません => Polite, present form N5
Verb suffixes
ままに => Do B as/like A N2
Adjectival, Descriptions
と([思「おも」]う、[言「い」]う、[考「かんが」]える) => That A N4
Particles
~ました/~ませんでした => Polite, past form of verb N5
Verb suffixes
までだ/までのことだ => Only A (will be done) N1
(Not)only , (Not) even
うか~まいか => Whether to do A or B (do or not do) N1
Will, Decision, Doing