Заполните пропуски в следующих предложениях сочетанием may have, употребив глаголы, данные в скобках, в форме Past Participle. Переведите предложения на русский язык:
Образец:
Mr. Smith'... (to go) home.
Mr. Smith may have gone home.- Мистер Смит, возможно, ушел домой.
1) She ... (to take) the book by mistake.
2) They ... (to telephone) while you were out.
3) I ... (to leave) my keys at home.
4) They ... (to be) wealthy at one time, but I doubt it.
5) The storm ... (to delay) the plane.
6) It... (to be) John or it... (to be) Mary who told them about it.