Usage Examples Present Perfect vs Past Simple

• The teacher hasn't seen you this week. -
• Did they go to the university with you? -
• Who did you meet at the party yesterday? -
• I haven't bought a new computer yet. -
• I've known Sarah for five years. -
• Why did Anna go to Manchester two weeks ago? -
• Jack has seen this film before. -
• What interesting foods have you eaten in your life? -
• Emily didn't see you yesterday. -
• Rosie didn't bake this cake, I did. -
• I didn't go to the university last week. -
• When did Alice move to Portland? -
• You've spilt the water and now the floor is wet. -
• My sister was born in Italy. -
• I didn't do it on my own. -
• Who is the smartest person you have ever met? -
• Mary has not started her essay yet. -
• Has Rachel ever studied Hindi? -
• Where did you work five years ago? -
• Anna has met me today. -