2 Read and complete the sentences with the words. life, needs, ecosystem, changed, future, invented, technology, sources
Human environment is a man-made en-invented new technologies. Communication
vironment. It was (1) ... by humans for their became easier and fast across the world.
needs. Before (2)
appeared, humans They formed a man-made (5) ...
lived in the natural environment. They had We need a balance between the natural
an environment-friendly life. With time, their and man-made environment. If we use the
(3) grew and grew. Humans learnt new natural (6) ... wisely, we can have a heal-
ways to change their environment for their thy balance. We should use our resources
needs.
wisely and learn to save them. Natural re-
They learnt to grow crops and animals, and sources like wood, minerals, water and air
build houses. They (4) ... the wheel, money, are important for (7) .. If we do not use
trade and business. Transportation became them wisely, we may run out of them one
faster. It became possible after they had day. We should think about our (8) ...
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1.He told me he was going to the park
2.We wrote them we would come again following year

3.she said to me she had been to London previous year
4.He said he had been tired so I had come home after party

5.Joon said to Mary he hadn't felt very well  the day before  yesterday
6.She said Two years ago they had been students

7.They said They had moved to a new flat the day before yesterday
8.They said they were not sure she had already finished her work

9.She said to me she was marired and she had got one daughter

10.They said to me they had jast moved into a new flat

предложение с модальным глаголом : His wife Anna Petrovna could not work at the plant or at an office because they had three children.

В форме Past оно уже стоит

Форма Present His wife Anna Petrovna can not work at the plant or at an office because they have three children. (had меняется на have потому,что Present не согласуется с Past)

Форма Future : His wife Anna Petrovna will not be able to work at the plant or at an office because they have three children. (tp be able to - заменитель can в будущем времени)