Usage Examples Present Perfect vs Past Simple

• Did your mother go to a doctor on Tuesday? -
• I have already finished my project. -
• Rosie didn't bake this cake, I did. -
• It is the worst day I have ever had. -
• Has Rachel ever studied Hindi? -
• My mum has lost her keys and cannot get into the house now! -
• What is the most beautiful place you have ever been to? -
• I haven't bought a new computer yet. -
• Did they go to the university with you? -
• I didn't do it on my own. -
• Why did Anna go to Manchester two weeks ago? -
• What did your husband do last month? -
• Who did you meet at the party yesterday? -
• My grandmother read this newspaper yesterday. -
• Anna has met me today. -
• I had pancakes for breakfast. -
• I stayed home last night. -
• I've known Sarah for five years. -
• Where did you work five years ago? -
• Have you ever been to Ukraine? -