The verb 'to be' is used much more often in Serbian than in Russian or English. It has short and full forms.
Ja sam student
I am a student
Literal: I am student
Note: 'Sam' — short form of 1st person singular (I am)
Ona je lekar
She is a doctor
Literal: She is doctor
Note: 'Je' — 3rd person (she/he/it is). Cannot be omitted!
Mi smo ovde
We are here
Literal: We are here
Note: 'Smo' — 1st person plural (we are)
Da li si spreman?
Are you ready?
Literal: Yes whether (you) are ready?
Note: 'Si' — 2nd person singular (you are)
'To want' — one of the most common verbs. Short forms: hoću, hoćeš, hoće. Negation: neću, nećeš, neće.
Hoću kafu
I want coffee
Literal: (I) want coffee (accusative)
Note: 'Hoću' — I want. 'Kafa' → 'kafu' in accusative
Hoćeš da ideš?
Do you want to go?
Literal: (You) want that (you) go?
Note: 'Da + verb' replaces the infinitive in conversation
Neću
I don't want to
Literal: Not-want
Note: 'Neću' — merged negative form (I don't want)
Hoćemo da naručimo
We want to order
Literal: (We) want that (we) order
Note: 'Hoćemo' — 1st person plural (we want)
'Can / to be able' — used for ability and requests. Forms: mogu, možeš, može, možemo, možete, mogu.
Možete li mi pomoći?
Can you help me?
Literal: Can (you) to-me help?
Note: Polite request — use 'možete li' (can you...?)
Mogu da govorim srpski
I can speak Serbian
Literal: (I) can that (I) speak Serbian
Note: 'Mogu da' + verb — standard construction for ability
Ovde se ne može parkirati
Parking is not allowed here
Literal: Here itself not can park
Note: 'Ne može se' — impersonal form for prohibitions (it's not allowed)
Mogu li dobiti vodu?
May I have water?
Literal: Can (I) get water?
Note: 'Mogu li dobiti' — polite way to ask for something (may I get...)
'To have' — a straightforward verb unlike Russian's 'at me there is'. Forms: imam, imaš, ima, imamo, imate, imaju.
Imam pitanje
I have a question
Literal: (I) have question
Note: 'Imam' — I have (simple and direct, like English)
Imate li slobodan sto?
Do you have a free table?
Literal: Have (you) free table?
Note: 'Imate li' — polite question form (do you have...?)
Nemam vremena
I don't have time
Literal: Not-have of-time (genitive)
Note: 'Nemam' + genitive — negative of 'have' (I don't have)
Ima li Wi-Fi?
Is there Wi-Fi?
Literal: Has (it) Wi-Fi?
Note: 'Ima li' — impersonal 'is there...?' (very common question)
'To go' — one verb covers both walking and driving. Forms: idem, ideš, ide, idemo, idete, idu.
Idem na posao
I'm going to work
Literal: (I) go to work
Note: 'Posao' — work/job (masculine noun)
Idemo u Novi Sad
We're going to Novi Sad
Literal: (We) go to Novi Sad
Note: 'Idemo' — works for both walking and traveling by vehicle
Gde ideš?
Where are you going?
Literal: Where (you) go?
Note: Serbian 'gde' = both 'where' and 'where to' (no distinction)
Hajde da idemo!
Let's go!
Literal: Come-on that (we) go!
Note: 'Hajde da' — let's + action (very common informal expression)