Usage Examples Present Perfect vs Past Simple

• I have already finished my project. -
• Rosie didn't bake this cake, I did. -
• Mary has not started her essay yet. -
• Emily didn't see you yesterday. -
• Anna has met me today. -
• My brother has been to Mexico three times. -
• My mum has lost her keys and cannot get into the house now! -
• Did your mother go to a doctor on Tuesday? -
• They haven't lived here for years. -
• Has James just left? -
• Why did Anna go to Manchester two weeks ago? -
• Jack has seen this film before. -
• The teacher hasn't seen you this week. -
• My sister was born in Italy. -
• I didn't do it on my own. -
• My grandfather did not work at a bank. -
• Has Anna passed this exam already? -
• Has Rachel ever studied Hindi? -
• Has your mother done the shopping already? -
• Who did you meet at the party yesterday? -