Usage Examples Present Perfect vs Past Simple

• I haven't bought a new computer yet. -
• I have already finished my project. -
• Has Anna passed this exam already? -
• Has James just left? -
• I stayed home last night. -
• Did we take this bus last time? -
• What interesting foods have you eaten in your life? -
• When did Alice move to Portland? -
• You've spilt the water and now the floor is wet. -
• Mary has not started her essay yet. -
• They haven't lived here for years. -
• Did they go to the university with you? -
• Laura has never been abroad. -
• We went to Paris three months ago. -
• Anna has met me today. -
• My grandfather did not work at a bank. -
• Rosie didn't bake this cake, I did. -
• We have just got back from our holidays. -
• My sister was born in Italy. -
• I didn't go to the university last week. -