Usage Examples Present Perfect vs Past Simple

• John liked my new book. -
• Did we take this bus last time? -
• Emily didn't see you yesterday. -
• Who is the smartest person you have ever met? -
• I had pancakes for breakfast. -
• You've spilt the water and now the floor is wet. -
• When did Alice move to Portland? -
• Did they go to the university with you? -
• Laura has never been abroad. -
• Have you ever been to Ukraine? -
• Did you have a pet when you were a child? -
• They haven't lived here for years. -
• Anna has met me today. -
• I didn't go to the university last week. -
• I didn't do it on my own. -
• My sister was born in Italy. -
• Has your mother done the shopping already? -
• Where did you work five years ago? -
• The teacher hasn't seen you this week. -
• I haven't bought a new computer yet. -