<span class="searchmatch">обосну́юсь</span>: IPA(key): [ɐbɐsˈnujʉsʲ] <span class="searchmatch">обосную́сь</span>: IPA(key): [ɐbəsnʊˈjʉsʲ] <span class="searchmatch">обосну́юсь</span> • (obosnújusʹ) first-person singular future indicative perfective of...
обоснова́вшись obosnovávšisʹ present tense future tense 1st singular (я) — <span class="searchmatch">обосну́юсь</span> obosnújusʹ 2nd singular (ты) — обосну́ешься obosnúješʹsja 3rd singular...