Как правильно I think she has been listening/has lisrenedto music since five o'clock. They haven't been going/haven't done this excercise yet. Ann has been inviting/has alredy invited Jane to dinner. Срочно надо отдам 30баллов!!!
Ответ:
1. первая форма
2. вторая форма
3. вторая форма
вроде)