Скажите, пожалуйста, правильно ли составлены предложения с точки зрения грамматики.

As for me, at home we have a
parrot and a turtle, but that pets are my younger brother. I would like to have
a dog, but my parents are not allowed to keep large animals. Maybe soon I will
keep a hamster.

 


It's great that you have a
new computer! Can we to communicate on the Internet? How much cost a computer? Will
you play computer games?

"This" и "That" используется только для единственного числа, а "these" и "those" для множественного, соответственно.