Usage Examples Present Perfect vs Past Simple

• I didn't do it on my own. -
• Rosie didn't bake this cake, I did. -
• My grandmother read this newspaper yesterday. -
• It is the worst day I have ever had. -
• I went to Spain last year to study Spanish. -
• What is the most beautiful place you have ever been to? -
• I have already finished my project. -
• My grandfather did not work at a bank. -
• Have you ever been to Ukraine? -
• Mary has not started her essay yet. -
• I haven't bought a new computer yet. -
• It hasn't rained a lot this year. -
• When did Alice move to Portland? -
• Who is the smartest person you have ever met? -
• We have just got back from our holidays. -
• Has Anna passed this exam already? -
• Did we take this bus last time? -
• Has James just left? -
• You've spilt the water and now the floor is wet. -
• Who did you meet at the party yesterday? -