Поставьте эти предложения в отрицательную и вопросительную форму): we had studied french before we began to study english. she had worked at school before she began to work at the academy. it will have stopped raining by noon .the children will have done their homework before their parents come home. l have been learning the new words for an hour,but don't remember them. it has been raining heavily all day long. my father has been reading newspaper since he came back from the office. you have been speaking on the phone for half an hour already. the boys have been playing football for 2 hours

We had`t studied French before we began to study English. she had`t worked at school before she began to work at the Academy. It will not have stopped raining by noon .The children will not have done their homework before their parents come home. l have not been learning the new words for an hour. It has not been raining heavily all day long. my father has not  been reading newspaper since he came back from the office. You have  not been speaking on the phone for half an hour already. The boys have not been playing football for 2 hours.
Had we study French before we began to study English?  Had she worked at school before she began to work at the Academy? Will it stop raining by noon ?Will the children  have done their homework before their parents come home.? Have I been learning the new words for an hour. Has it been raining heavily all day long? Has my father been reading newspaper since he came back from the office?Have you been speaking on the phone for half an hour already? Have the boys been playing football for 2 hours?