Usage Examples Present Perfect vs Past Simple

• I have already finished my project. -
• Emily didn't see you yesterday. -
• Did your mother go to a doctor on Tuesday? -
• I had pancakes for breakfast. -
• I stayed home last night. -
• Laura has never been abroad. -
• Did they go to the university with you? -
• Mary has not started her essay yet. -
• The teacher hasn't seen you this week. -
• My brother has been to Mexico three times. -
• Who is the smartest person you have ever met? -
• What is the most beautiful place you have ever been to? -
• Jack has seen this film before. -
• My grandmother read this newspaper yesterday. -
• I haven't bought a new computer yet. -
• It is the worst day I have ever had. -
• I didn't go to the university last week. -
• When did Alice move to Portland? -
• Has Anna passed this exam already? -
• It hasn't rained a lot this year. -