N2 — outside your level filter
Modifies the end of the sentence directly and takes no だ／です, so there are no forms to conjugate.
確かに
tashikanicertainly, indeedN2adverb
Example sentences2
彼の意見には確かに一理ある。
kare no iken ni wa tashika ni ichiri aru.
There is certainly some merit to his opinion. neutral
それは確かにそうだね。
sore wa tashika ni sou da ne.
Yeah, that's certainly true. casual