1) Peter ... (to fix) the TV set by next Tuesday. 2) At this time next Friday we ... (to lie) on the beach in Malta. 3) By next Monday Linda ... (to work) as a secretary for three years. 4) ... you ... (to use) your computer tonight? 5) By the end of the year Roger and Monica ... (to live) in our district for five years. 6) The boss ... (to read) all the documents by the end of his working day. 7) Don't phone me tonight. I ... (to write) an article for a scientific journal. 8) By the end of the day we ... (to reach) that settlement. 9) What ... you ... (to do) at 4 o'clock tomorrow? — I... (to help) my parents in the garden. 10) By the 13th of January he ... (to work) on his novel for ten months.

Language - the most important means of communication. Without language there can be people, not develop its culture . One of the most enchanting treasures that have been created by man, it is exactly . It makes a big difference in the lives of each of us.    Knowledge of the language - the first sign of an educated person . How nice to chat with someone who expresses their views correctly , using all the rich tones of the native language . Well as live who can speak well - says the proverb. In contrast, empathy is a person who is not improving his speech.   What would happen to us if we suddenly lost the language? Everywhere prevailed to silence. People are not able to communicate and perform work. The whole world would be dumb .   Thus, it plays an important role in our lives. With its help, we think, communicate , without it we can not exist. The language should not only love , but also protected.

As for me, at home we have a
parrot and a turtle. Ты говоришь, что касается меня, мы имемм попугая и тд - надо сказать либо ...что касается нашу семью, или изменить на i 
have. (As for out family, we have a parrot and..)
but that pets are my younger brother, я так понял что ты относишься к ним как с скоим младшим братьям? Тогда нужнозаменить пару слов: but - заменить на frankly speaking, that -these,  brotherS.
 but my parents are not allowed to keep large animals. - смысл получился что твоим родителям запретили заводить животных. Нужно переделать,My parents  do not allow me to keep...
Maybe soon I will keep a hamster.  -  keep лучше вообще изъять, он не подходит лексически, Maybe i will take care after a hamster.
Can we to communicate on the Internet - это фантастика, после can НЕЛЬЗЯ писать TO. Само предложение не удачное нужно переделывать
How much cost a computer где вс глагол!
Willyou play computer games? грамматически нормально но по смыслу как-то плоско.
К сожалению ошибки почти во всех предложениях