Hello, I donīt understand present perfect
can you help me?
- 'HAVE' + Past Participle
1/ For unfinished past actions.
eg: I've worked here for four years.
2/ For past actions when the time is not specified.
eg: Have you ever been to Rome?
3/ When a past action is relevant now.
eg: I've missed my flight.
eg: She's broken her leg and cannot go on holiday next week.
if You have any more specific questions, ask.