Breakdown of Trebuie să găsim un râu mai adânc decât acesta.
un
a / an (m/n)
să
to (subjunctive marker)
trebui
to have to / to be needed (with a dative: to need)
găsi
to find
râul
the river
acesta
this one
mai
more / still (adverb)
decât
than
adânc
deep
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