62 points

Japanese grammar points

6 points

JLPT N5 grammar points

All N5 points →

23 points

JLPT N4 grammar points

〜ようになるyō ni naru

to come to do · to become able to

ことにする vs ことになるkoto ni suru · koto ni naru

your decision vs one that landed on you

ように vs ためにyō ni · tame ni

so that vs in order to

だけ vs ばかり vs しかdake · bakari · shika

three ways to say only

そうだ・らしい・ようだ・みたいthe four hedges

looks like · apparently · it seems

と・ば・たら・ならto · ba · tara · nara

which “if” goes where

〜ておく vs 〜てしまうte oku · te shimau

ready for later vs done and dusted

〜たばかり vs 〜たところta bakari · ta tokoro

how you feel about it vs where the clock is

ないで vs なくて vs ずにnaide · nakute · zu ni

three negative て-forms, one of them a cause

から vs のでkara · node

your reasoning, or simply the situation

前に vs てから vs あとでmae ni · te kara · ato de

before, after, and the one that says the first act had to finish

たことがある vs ことがあるta koto ga aru · koto ga aru

one た between an experience you have had and something that happens sometimes

思う vs 考えるomou · kangaeru

holding a view, and doing the work of reaching one

がる vs たがるgaru · tagaru

why 彼は寒い is blocked, and what to say instead

借りる vs 貸す vs 返すkariru · kasu · kaesu

borrow, lend, give back — and the particle that changes with the direction

あげる vs くれる vs もらうageru · kureru · morau

which way the favour is travelling

自動詞 vs 他動詞jidōshi · tadōshi

開く vs 開ける, and who gets blamed

ている vs てあるte iru · te aru

a state, and a state somebody left

られる — 受身 vs 可能 vs 尊敬ukemi · kanō · sonkei

one ending doing three unrelated jobs

てもいい vs なければならないte mo ii · nakereba naranai

permission and obligation as one grid

つもり vs 予定 vs ようと思うtsumori · yotei · yō to omou

resolve, schedule, and deciding just now

の vs ことno · koto

which nominaliser, and when it's forced

知る vs 分かるshiru · wakaru

two verbs English calls know

All N4 points →

14 points

JLPT N3 grammar points

All N3 points →

11 points

JLPT N2 grammar points

All N2 points →

8 points

JLPT N1 grammar points

All N1 points →

One email on launch day

That's the whole list. rikAI is an iPhone app and it isn't out yet.