ACTIVE VOICE

Active voice describes a sentence where the subject performs the action stated by the verb. The active voice is the "normal" voice (the one that we use most of the time). In the active voice, the object receives the action of the verb:

Formula Active Voice: Subject + Verb + Object
Example:

• Cats eat mice
• Harry ate six shrimp at dinner
• Beautifull giraffes roam the savannah
• We are going to watch a movie tonight
• Mom read the novel in onr day
• The staff is required to watch a safety video every year
• She faxed her application for a new job
• Tom painted the entire house
• Who taught you to ski?
• The two kings are signing the treaty
• etc 

Sumber:
http://englishclub.com/grammar/verbs-voice.html
http://examples.yourdictionary.com/examples-of-active-and-passive-voice.html