chłopcy

chłopcy

"Boys."

Here, 'chłopcami' is in the instrumental case and represents the companions in the action (of talking).

Rozmawiam z chłopcami o ich projektach.

I am talking with the boys about their projects.

Here, 'chłopcy' is the subject of the sentence and refers to a group of boys engaging in the activity of playing football.

Chłopcy grają w piłkę na boisku.

The boys are playing football on the field.

In this context, 'chłopców' is used as the plural male noun in the accusative case, as they are the direct object of the verb 'see'.

Widzę chłopców na ulicy.

I see boys on the street.