な-adjective
真っ直ぐまっすぐ
massugu真っ直ぐ (まっすぐ, massugu) — straight — is a な-adjective: まっすぐだった (past), まっすぐじゃない (negative), まっすぐで (te-form), まっすぐです (polite).
It is usually written in kana: まっすぐ rather than 真っ直ぐ. It also means direct; upright.
How まっすぐ conjugates · な-adjective
Nothing drops: the ending attaches to the whole word.
A な-adjective is a noun-like word plus a copula, and the copula is what conjugates.
まっすぐ
whole word + ending
まっすぐだったまっすぐだったpast · It was straight.
まっすぐじゃないまっすぐじゃないnegative · It isn't straight.
まっすぐでまっすぐでte-form · It's straight and …
まっすぐならまっすぐならif · If it's straight, ...
まっすぐですまっすぐですpolite present · It's straight.
Before a noun it takes な, which is what names the class.
N5 N tags give the JLPT level at which the game starts quizzing a form.
PLAIN
| Form | Conjugation | Audio |
|---|---|---|
| present N5 It's straight. | まっすぐだ 真っ直ぐだ massuguda | |
| past N5 It was straight. | まっすぐだった 真っ直ぐだった massugudatta | |
| negative N5 It isn't straight. | まっすぐじゃない 真っ直ぐじゃない massugujanai | |
| te-form N5 It's straight and … | まっすぐで 真っ直ぐで massugude | |
| past negative N4 It wasn't straight. | まっすぐじゃなかった 真っ直ぐじゃなかった massugujanakatta | |
| cond. なら N3 If it's straight, ... | まっすぐなら 真っ直ぐなら massugunara | |
| cond. たら N3 If it turns out straight, ... | まっすぐだったら 真っ直ぐだったら massugudattara |
POLITE
| Form | Conjugation | Audio |
|---|---|---|
| present N5 It's straight. | まっすぐです 真っ直ぐです massugudesu | |
| past N5 It was straight. | まっすぐでした 真っ直ぐでした massugudeshita | |
| negative N5 It isn't straight. | まっすぐじゃないです 真っ直ぐじゃないです massugujanaidesu | |
| past negative N4 It wasn't straight. | まっすぐじゃなかったです 真っ直ぐじゃなかったです massugujanakattadesu |