Usage Examples Present Perfect vs Past Simple

• I have already finished my project. -
• Has James just left? -
• Mary has not started her essay yet. -
• I've known Sarah for five years. -
• I stayed home last night. -
• They haven't lived here for years. -
• Did your mother go to a doctor on Tuesday? -
• Where have you travelled lately? -
• Has your mother done the shopping already? -
• It hasn't rained a lot this year. -
• I didn't go to the university last week. -
• My mum has lost her keys and cannot get into the house now! -
• Who did you meet at the party yesterday? -
• Jack has seen this film before. -
• Rosie didn't bake this cake, I did. -
• My sister was born in Italy. -
• My grandfather did not work at a bank. -
• The teacher hasn't seen you this week. -
• My grandmother read this newspaper yesterday. -
• When did Alice move to Portland? -