Usage Examples Passive Voice - Present Simple

• How are the requirements validated? -
• We're caught in a trap -
• The dialogues are followed by the appendix -
• These variations are indicated for each program. -
• The suspect is questioned by the police. -
• The path is made of many small stones. -
• His leg is badly injured. -
• The tickets are booked. -
• The air is provided by hidden ventilators. -
• It's not needed in the sentence. -
• How is the plate made? -
• Some things are easily lost. -
• It's marked by that cone. -
• The cities are ruined. -
• The world is changing. -
• Is that permitted? -
• It is written in the book -
• How is this procedure implemented? -
• It's made of steel. -
• It's hidden in that crater. -