Mój pies bywa miły.

My dog is sometimes nice.

Breakdown of Mój pies bywa miły.

• pies: the dog
• mój: my
• bywać: to be occasionally
• miły: nice

Questions & Answers about Mój pies bywa miły.

What is the function of bywa in Mój pies bywa miły?

Bywa is the 3rd person singular present form of the verb bywać, which is a frequentative/imperfective form of być (“to be”). It adds the nuance “to be at times” or “to be occasionally,” so Mój pies bywa miły literally means “My dog is nice at times” or “My dog can be nice (but not always).”

Why can’t I just say Mój pies jest miły?

You can say Mój pies jest miły if you want to state a simple, general fact: “My dog is nice.” However, jest (from być) describes a definite, present state, whereas bywa implies that this state happens irregularly. Using bywa signals that sometimes the dog isn’t nice.

Why is the possessive mój used here, and not moja or moje?

In Polish, possessive pronouns agree in gender, number, and case with the noun they modify. Pies (“dog”) is a masculine singular noun in the nominative case, so the correct form is mój. Moja would be for feminine nouns, moje for neuter.

Why is the adjective miły and not miła, miłe or something else?