〜たいです
Saying what you want to do — the masu-stem way
One more ます-stem pattern. Drop the ます and add たいです to say “I want to ~”, or たくないです for “I don’t want to ~”. Same stem, new ending.

みずを のみたいです。

“I want to drink water.”
Step 1
The two forms2つの いいかた
Both start from the ます-stem (the verb minus ます). Tap any sentence to hear it.
〜たいです
Verb-stemますを とる
+たいですwant to do
。
“I want to ~” — say what you'd like to do.
〜たくないです
Verb-stemますを とる
+たくないですdon't want to do
。
“I don't want to ~” — the negative.
Step 2
Stem → both formsまとめ
🔊 Tap any cell to hear it. Drop ます, add the ending. It works the same for every group — no exceptions.
ますけい Masu-form | 〜たいです want to ~ | 〜たくないです don’t want to ~ | Meaning |
|---|---|---|---|
| drink | |||
| eat | |||
| go | |||
| watch | |||
| buy | |||
| sleep | |||
| rest | |||
| play / hang out |
Step 3
Want-to quizクイズ
Mixed review. The English meaning tells you which ending fits — たいです (want to), たくないです (don’t want to), or a plain ます / ません / ました from earlier units.
Question 1 / 8 · 0 correct
which ending?みずを のみ◯◯。I want to drink water.