Напишите предложение в Present Perfect:
1. с оборотом come back
2. с оборотом come out
3. с оборотом come across
4. с оборотом come round​

Здесь пишу вопросы и сразу ответы, чтобы Вы не запутались:
1.Поставьте следующие предложения в Past и Future Indefinite Tense: 
a)People want raw materials.  
   People wanted raw materials. 
   People will want raw materials.
б)Civization increases man`s wants to surprising extent.
Я считаю, что в исходном тексте опечатка. Слова Civization нет в словаре.       Civilization increased man`s wants to surprising extent. 
   Civilization will increase man`s wants to surprising extent.
2.Преобразуйте предложения в отрицательные и вопросительные: 
а)He goes to the library in the evenings.  
   He don't go to the library in the evenings. 
   When does he go to the library?
б)The boy is a very good volley-ball player.  
   The boy is not a very good volley-ball player. 
   Is the boy a very good volley-ball player?
3.Образуйте общие вопросы: 
а)They live not far from this house.  
    Do they live not far from this house. 
б)You go to bed at eleven.  
    Do you go to bed at eleven.
4.Местоимения стоящие в скобках,употребите в соответствующей форме: 
а)I don`t know (they).  
   I don`t know them.
б)Come to see (we) in the evening.
   Come to see us in the evening.

There are many old trees in the park
Там есть много старых деревьев в парке
There are children under the trees
Там есть ребята позади дерева
There is a lake on the park
Там есть lake в парке
There are boats on the lake
Там есть Корабли на lake

There are children in the park
There is a cat on the sofa
There are three little balls on the floor

There are bicycles near the tree
There are a books on the table
There are a sweets in the box

Задание 9
When is your birthday
How many cards did you get
What do you like presents
What did your mum