N2 — outside your level filter
Is said whole, with nothing composed onto it and takes no だ/です, so there are no forms to conjugate.
覚えはない
oboehanaihave no memory of itN2expression
Example sentences2
そんなことを頼んだ覚えはない。
sonna koto o tanonda oboe wa nai.
I have no memory of asking for such a thing. neutral
え、そんな約束した覚えはないけど。
e, sonna yakusoku shita oboe wa nai kedo.
Huh, I don't recall making any such promise. casual