In what way have inventions changed our lives?
Which ones have had the greatest impact on most people around the world?
Which ones would be the most difficult to live without?
Which one is the most important for you personally?
Are there any inventions that are harmful?
Are there any inventions or discoveries that you would add to this list?

A)  1. My sister tidied her room yesterday.

    2. My sister didn't tidy her room yesterday.

    3. Did your sister tidy her room yesterday?

B)  1. We lived in London last summer.

    2. We didn't live in London last summer.

    3. Did you live in London last summer?

C)  1. Sandra and Elsa talked on the phone last night.

    2. Sandra and Elsa didn't talk on the phone last night.

    3. Did Sandra and Elsa talk on the phone last night?

2.  1. She waited for the bus.

    2. They invited Mary and Rachel to the party.

    3. I didn't live in Portugal one year ago.

    4. Did you like the film last night?

    5. We didn't visit our friends on Monday.

    6. Did your grandparents dance at the party?

    7. The bus stopped at the traffic lights.

    8. My brother didn't water the plants yesterday.

    9. You didn't study for the test.

    10. It rained a lot last night.

    11. Did she try her new dress on?

    12. The film ended late yesterday.

    13. Children walked to school on foot last month.

    14. Dad and I washed the car in the morning.

    15. He didn't work because he was too tired.

1 топ менеджеры составляют небольшую группу (constitute Present simple) 2 эта компания производит высококачественные товары (produces Present simple) 3 эффективность деятельности менеджеров зависит от определенных важных навыков (depends Present simple) 4 на неделе мы подписали контракт (signed Past simple) 5 для прибыли люди занимаются различными видами бизнеса (do Present simple) 6 я пытался назначить встречу с мистером Бриджесом (tried to make Past simple) 7 я поступил в московский финансовый юридический университет в году (entered Past simple) 8 в университете мы изучаем различные предметы (study Present simple) 9 десятью годами ПОЗЖЕ (?) я закончил школу (finished Past simple) 10 мне нравиться моя работа и я работаю с удовольствием (like,work Present simple)