Usage Examples Present Perfect vs Past Simple

• I didn't do it on my own. -
• Mary has not started her essay yet. -
• My brother didn't play hockey at school. -
• Where did you work five years ago? -
• Has James just left? -
• I went to Spain last year to study Spanish. -
• Did your mother go to a doctor on Tuesday? -
• I didn't go to the university last week. -
• We have just got back from our holidays. -
• Emily didn't see you yesterday. -
• John liked my new book. -
• Has your mother done the shopping already? -
• Did we take this bus last time? -
• Jack has seen this film before. -
• My brother has been to Mexico three times. -
• My dad broke his leg last month. -
• Have you ever been to Ukraine? -
• Have you ever met a celebrity? -
• When did Alice move to Portland? -
• I've known Sarah for five years. -