Usage Examples Present Perfect vs Past Simple

• I had pancakes for breakfast. -
• I stayed home last night. -
• Why did Anna go to Manchester two weeks ago? -
• Has Anna passed this exam already? -
• Has James just left? -
• They haven't lived here for years. -
• I have already finished my project. -
• My sister was born in Italy. -
• Rosie didn't bake this cake, I did. -
• I didn't do it on my own. -
• My dad broke his leg last month. -
• My brother has been to Mexico three times. -
• I didn't go to the university last week. -
• My mum has lost her keys and cannot get into the house now! -
• Mary has not started her essay yet. -
• I went to Spain last year to study Spanish. -
• You've spilt the water and now the floor is wet. -
• I haven't bought a new computer yet. -
• We have just got back from our holidays. -
• Who did you meet at the party yesterday? -