Здравствуйте! Помогите пожалуйста, проходим Present Perfect и Past Indefinite.
1/ Were did you .... last weekend? go went have gone
2/ I .... to the seaside 3 years ago. have gone went go
3/ How lucky you ... this year! was were have been
3/ They always .... for Moscow by plane. have left leave left
4/ We decided ... at the hotel stay stayed to stay
Я плохо знаю это правило, не могу объяснить ребенку. Помогите пожалуйста, если знаете.