Нужно! написать про величайшее открытие человечества. какое открытие, кто его открыл, что оно нам дало и как мы его используем в наше время.

1)The Declaration of Independence (USA) was adopted by the 2nd Continental Congress in Philadelphia on July 4, 1776 during the War for Independence in North America.

2)Columbus's discovery of America and its conquest by European powers paved the way for the spread of Western civilization in the New World. The widespread British colonial system in the seventeenth century played an important role in the fate of North America: the emergence of colonial colonies.

3)North America was the first English colony on the Atlantic coast in the early seventeenth century. Then (XVII-XVIII centuries), from this coast to North America emerged a long 12-colony statehood.

4)How would you feel if you worked hard day and night and lost your temper? In today's market economy, it is important not only to value your work, but also to consider safety.

1. I had painted his portrait by 9 o’clock.
Я нарисовал его портрет к 9 часам.
I have been painting his portrait for 2 years.
Я рисовал его портрет два года.
I painted his portrait last year.
Я нарисовал его портрет в году.
I was painting his portrait at 6 o’clock yesterday.
Вчера в 6 часов я рисовал его портрет.

2. We watered the plants last Friday.
Мы поливали растения в пятницу.
We had watered the plants by the time the teacher came in.
Мы полили растения к тому времени как учитель вошёл.
We were watering the plants at that time.
Мы поливали растения в это время.
We have been watering the plants for a long time.
Мы поливали растения длительное время.