Usage Examples Present Perfect vs Past Simple

• I have already finished my project. -
• We have just got back from our holidays. -
• Jack has seen this film before. -
• Who is the smartest person you have ever met? -
• What is the most beautiful place you have ever been to? -
• It is the worst day I have ever had. -
• Have you ever met a celebrity? -
• Anna has met me today. -
• I haven't bought a new computer yet. -
• Mary has not started her essay yet. -
• Did we take this bus last time? -
• Did you have a pet when you were a child? -
• Rosie didn't bake this cake, I did. -
• They haven't lived here for years. -
• My grandmother read this newspaper yesterday. -
• What interesting foods have you eaten in your life? -
• Has Anna passed this exam already? -
• My brother has been to Mexico three times. -
• Emily didn't see you yesterday. -
• I've known Sarah for five years. -