Usage Examples Present Perfect vs Past Simple

• I had pancakes for breakfast. -
• Emily didn't see you yesterday. -
• My brother has been to Mexico three times. -
• Who is the smartest person you have ever met? -
• My sister was born in Italy. -
• The teacher hasn't seen you this week. -
• My mum has lost her keys and cannot get into the house now! -
• We went to Paris three months ago. -
• You've spilt the water and now the floor is wet. -
• I have already finished my project. -
• I didn't go to the university last week. -
• Who did you meet at the party yesterday? -
• My grandfather did not work at a bank. -
• Did you have a pet when you were a child? -
• John liked my new book. -
• My brother didn't play hockey at school. -
• I didn't do it on my own. -
• Did they go to the university with you? -
• It hasn't rained a lot this year. -
• They haven't lived here for years. -