Перепишите следующие предложения; подчеркните в них глагол-сказуемое и определите его видо-временную форму и залог. переведите предложения на язык.
1. we have found that the nucleus of the atom is a tremendous storehouse of energy.
2. rapid sand filters were developed in the u.s in 1900-1910.
3. mendeleyev tried to find some system of classifying the elements whose properties he was describing.
4. as a rule a new discovery is followed by intensive research work of other scientists.

This is my family. It's not big. This is my mother. She's a numerologist. She's 32 (thirty two). This is my father. He's an educator - a psychologist. He's 36 (thirty six). And this is my younger brother. He's 3 (three). This is my grandma, my mother's mam. Her name's Nina Hrapovskaya. She's a  postman. She's 61 (sixty one). This is my granddad, my mother's dad. His name is Anatoly Hrapovsky. I don't know, who is he. He's 59 (fifty nine). This is my aunt, my mother's sister. Her name is Elena Hrapovskaya. I want to tell you about my dad. He's very smart. When I was in the first grade, all people called him Gragpa. Befor now he was an atlet. That's all. Thank you for your attention!

Не могу только понять, как 35 летного мужчину можно называть дедушкой Или ты о дедушке все-таки рассказывала в конце, а не о папе???

1.Our company is offering some trade discounts on this counsignment.
present continuous, active Наша компания предлагает некоторые скидки на данную партию товара.
2.Financial experts will have reached an agreement by the end of their talks.
future perfect. active Финансовые эксперты достигнут договоренности (заключат соглашение) в конце наших переговоров
3.We sent the letter by fax.
Past simple, active  Мы отправили письмо по факсу.
4.The firm will be settling its account at 11o`clock tomorrow/
future continuous, passive. Фирма будет оплачивать свои счета завтра в 11.