Quote Originally Posted by renataf View Post
Thanks, but I didn´t understand. This phrase is in accusative case, OK, but I just can´t understand why instead of prepositional case I have to use accusative case if in the phrase I used на(preposition). Sorry, but I´m really confused.
"на" only affects the noun, pronoun or adjective with the noun that follow it; it doesn't affect the whole sentence. As for your example, I saw (what? - a direct object (Accusative)) the salute on the street (Prepositional because of "на") with my family (Instrumental because of "с").