Active / Passive voice

• In active voice sentences -  the subject does the action.
Example: Liz played the piano.
-The sentence that uses the active voice is stronger, uses fewer words, and clearly shows who performs the action.

• In passive voice sentences - the subject receives the action.
Example: The piano was played by Liz.
- The sentence that uses the passive voice is weaker and less direct. It is, however, not incorrect to use the passive voice.