Questions & Answers about Экзамен начинается утром.
Экзамен – exam, examination.
- Noun, masculine, singular, nominative case.
- It is the subject of the sentence (the thing that is starting).
начинается – (it) starts / (it) begins.
- 3rd person singular, present tense, imperfective aspect, reflexive verb начинаться.
- It is the main verb.
утром – in the morning.
- Literally “by/with the morning”; it is the instrumental case of утро (morning), used adverbially.
- It answers the question когда? – “when?”, so it functions as an adverbial of time.
So the structure is: Subject – Verb – Time expression.