Usage Examples Present Perfect vs Past Simple

• The teacher hasn't seen you this week. -
• I stayed home last night. -
• My grandfather did not work at a bank. -
• Has James just left? -
• My brother has been to Mexico three times. -
• Has Rachel ever studied Hindi? -
• I have already finished my project. -
• It is the worst day I have ever had. -
• Has Anna passed this exam already? -
• I had pancakes for breakfast. -
• I haven't bought a new computer yet. -
• They haven't lived here for years. -
• Did they go to the university with you? -
• Has your mother done the shopping already? -
• Anna has met me today. -
• My grandmother read this newspaper yesterday. -
• Who is the smartest person you have ever met? -
• Rosie didn't bake this cake, I did. -
• I've known Sarah for five years. -
• What interesting foods have you eaten in your life? -