Lesson 124. Perfect: negation
Nisam radio. (Нисам радио.)
— I didn't work.
Nije bila kod kuće. (Није била код куће.)
— She wasn't home.
Nismo čitali. (Нисмо читали.)
— We didn't read.
Nisu stigli. (Нису стигли.)
— They didn't arrive.
Formula: ni- + form of biti + participle. nisam + radio.