Questions & Answers about Můj pes spí za domem.
Můj is the correct form of “my” for a singular masculine noun in the nominative case.
- Pes (dog) is masculine animate and here it is the subject of the sentence → nominative case.
- The possessive adjective můj must match the noun in gender, number, and case:
- Masculine (singular nominative): můj pes – my dog
- Feminine (singular nominative): moje kočka – my cat
- Neuter (singular nominative): moje auto – my car
Moje pes is wrong because moje is for feminine or neuter, not masculine.
Můj psa would use the accusative form of pes (psa), which you’d use only if the dog was the object (e.g. Vidím mého psa – I see my dog), not the subject.
In Czech, subject pronouns (já, ty, on, ona, ono, my, vy, oni) are usually omitted because the verb ending already shows the subject.
- Spí is 3rd person singular → “he/she/it sleeps”.
- We already know the subject: můj pes.
- So saying On můj pes spí za domem sounds unnatural and redundant.
You can add a pronoun only for emphasis, but then you would emphasize the dog itself, e.g.: