1.раскройте скобки,употребив глагол в present perfect tence we (to speak) with the engineer this week. 2.раскройте скобки,употребив глагол в present perfect или past simple she (to send)three letters to this firm already. they(to do)the exercise quickly yesterday. 3.раскройте скобки,употребив глагол в present? past или future simple passive the book(to bring)by my brother yesterday. he(to ask)at every lesson. 4.преобразуйте предложения из действительного залога в страдательный,употребив глагол в том же времени. we got this letter many days ago. 5.раскройте скобки,употребив глагол в нужном времени в соответствии с правилом согласования времен i was sure that the teacher (to ask) me at the next lesson she thought that you(to do) the lab.work at that time