verview
In Lesson 14, you learned the basics of たい — the ending that attaches to a verb’s ます-stem to express “want to do,” and which conjugates like an い-adjective. This lesson goes deeper, showing how たい stacks onto other conjugated forms (passive, potential, causative, and more) to express increasingly precise desires.
💡 The foundation to remember: たい always attaches to the ます-stem of whatever verb form it follows, and the resulting word is always an い-adjective. This means that no matter how complex the combination, the ending always conjugates the same way:
- Negative: 〜たくない
- Past: 〜たかった
- Past negative: 〜たくなかった
Once you internalize this, every combination below becomes predictable.
—From here on, it will be available to members only—