Questions & Answers about Krmím psa ráno.
In Czech, the verb ending usually tells you who the subject is, so the subject pronoun is often left out.
- krmím = I feed / I am feeding
- the ending -ím shows 1st person singular: I
So Krmím psa ráno. already includes the idea of I, even without já.
You can say Já krmím psa ráno, but that usually adds emphasis, like I feed the dog in the morning.
Because psa is the accusative singular form of pes.
- pes = the basic dictionary form, called the nominative
- psa = the form used when the dog is the direct object
In Krmím psa ráno, the dog is the thing being fed, so Czech uses the accusative.
This is especially important because pes is a masculine animate noun, and masculine animate nouns often change form in the accusative.