1.I have been skiing for three hours.Have you been skiing for three hours?I haven't been skiing for three hours.How long have you been skiing?2.They have been learned English for three years.Have they been learned English for three years?They haven't been learned English for three years.How long have they learned E...
1. I have 3 hours of skating2. They have learned English for three years3. From 9:00 am He had been waiting for you4. He started from the seven-year-old Philatelic ...
