This is the 760th most frequent Macedonian word.
започнаа
"Started" or "began" (past tense, plural).
'Започнаа' is used here to indicate the initiation of the process of building a house by 'Тие' (They).
Тие започнаа да градат куќа.
They started building a house.
In this sentence, 'Започнаа' is used to signify the start of an event, the negotiations, subject implicit or understood in context.
Започнаа преговорите меѓу двете земји.
The negotiations between the two countries began.
Here, 'Започнаа' denotes the students' action of initiating the writing of the test.