<span class="searchmatch">mancomunándose</span> gerund of mancomunar combined with se...
mancomunándome mancomunándote mancomunándole, <span class="searchmatch">mancomunándose</span> mancomunándonos mancomunándoos mancomunándoles, <span class="searchmatch">mancomunándose</span> accusative mancomunándome mancomunándote...