The accusative case is primarily used to indicate the direct object of a transitive verb. It is also used after certain prepositions and in time expressions.^[1]

• Group 1:
  • Ma: nouns whose nom/sg end in a consonant without haček (doktor) add -a
  • Mi: nouns whose nom/sg end in a consonant without haček (hrad) remain unchanged
  • F: nouns ending in -a change to -u
  • N: nouns ending in -o remain unchanged
• Group 2 (soft ending):
  • M: nouns ending in a consonant with haček, -e/ě, -c, -j, -tel change -e to -e
• Group 3:
  • Ma: nouns whose nom/sg end in -a change to -u
  • F: nouns ending in -st remain unchanged
  • N: nouns ending in -í remain unchanged

1. Vidím doktora. – I see the doctor.
2. Piju kavu. – I'm drinking coffee.
3. Mám bratra. – I have a brother.
4. Potřebuji kancelář. – I need an office.

These verbs use the accusative case for the person experiencing the feeling, while the cause of the feeling is in the nominative case.

bolet – to hurt, to ache

1. Hlavu mě bolí. – I have a headache. (lit: The head hurts me.)

bavit – to enjoy, to be entertained by

1. Fotbal mě baví. – I enjoy football. (lit: Football entertains me.)

zajímat – to interest, to be interested in

1. Historie mě zajímá. – I'm interested in history. (lit: History interests me.)

těšit – to look forward to, to be pleased by

1. Dovolená mě těší. – I'm looking forward to the vacation. (lit: The vacation pleases me.)

1. Zaplatím za auto. – I'll pay for the car.
2. Starame se o babičku. We're looking after our grandmother.

Some common prepositions that take the accusative case include:

pro – for

1. Mám dárek pro kolegu. – I have a gift for my colleague.

na – on, to (with motion)

1. Jdu na letiště. – I'm going to the airport.

za – behind, for (in exchange)

Also, v, před, pod, nad, o, mezi

1. Budu tam hodinu. – I'll be there for an hour.
2. Přijedu příští týden. – I'll arrive next week.