Usage Examples Present Perfect vs Past Simple

• Who did you meet at the party yesterday? -
• I have already finished my project. -
• Jack has seen this film before. -
• My mum has lost her keys and cannot get into the house now! -
• Has James just left? -
• Did they go to the university with you? -
• We have just got back from our holidays. -
• It hasn't rained a lot this year. -
• Anna has met me today. -
• Who is the smartest person you have ever met? -
• My grandfather did not work at a bank. -
• When did Alice move to Portland? -
• Have you ever met a celebrity? -
• It is the worst day I have ever had. -
• Emily didn't see you yesterday. -
• I've known Sarah for five years. -
• Have you ever been to Ukraine? -
• Did your mother go to a doctor on Tuesday? -
• Did we take this bus last time? -
• John liked my new book. -