Usage Examples Present Perfect vs Past Simple

• I haven't bought a new computer yet. -
• I didn't do it on my own. -
• Did we take this bus last time? -
• Has Anna passed this exam already? -
• When did Alice move to Portland? -
• Where did you work five years ago? -
• Who did you meet at the party yesterday? -
• Did they go to the university with you? -
• Why did Anna go to Manchester two weeks ago? -
• The teacher hasn't seen you this week. -
• I have already finished my project. -
• My mum has lost her keys and cannot get into the house now! -
• We have just got back from our holidays. -
• You've spilt the water and now the floor is wet. -
• Have you ever been to Ukraine? -
• Anna has met me today. -
• Has Rachel ever studied Hindi? -
• Rosie didn't bake this cake, I did. -
• I didn't go to the university last week. -
• I went to Spain last year to study Spanish. -