Usage Examples Present Perfect vs Past Simple

• I haven't bought a new computer yet. -
• Has James just left? -
• Have you ever met a celebrity? -
• I've known Sarah for five years. -
• My brother didn't play hockey at school. -
• Have you ever been to Ukraine? -
• Emily didn't see you yesterday. -
• We have just got back from our holidays. -
• Did your mother go to a doctor on Tuesday? -
• I have already finished my project. -
• What is the most beautiful place you have ever been to? -
• You've spilt the water and now the floor is wet. -
• Jack has seen this film before. -
• Has Anna passed this exam already? -
• My brother has been to Mexico three times. -
• My grandmother read this newspaper yesterday. -
• Has your mother done the shopping already? -
• They haven't lived here for years. -
• Why did Anna go to Manchester two weeks ago? -
• I had pancakes for breakfast. -