Сначала уберем ошибки в тексте, ок?
I study in the seventh form. My (favourite) teacher's name is Natalie. My favorite lesson is physical education. I play tennis. In July we go to the sea. I love swimming. Yesterday, I cycled for two hours. My hobby is computer games. My favourite computer games are GTA Five, Watch Dogs 2 and Hitman. I have got three sisters and a brother.
I've got a friend. His name is Nick. He is fourteen years old. Nick is tall and slender. He's got blue eyes and fair hair. Nick is a good friend, he's kind and easy-going, but sometimes he can be stubborn. He studies in the eighth form. He studies well.
Nick's family lives in a three-room flat on the second floor of a ten-storied block of flats. There are four people in his family: a mother, a father, Nick and his sister. Nick's got two pets, they are cats.
Nick's hobbies are playing football, roller skating and playing computer games.
The sun (rises) earlier and earlier and (sets) later and later.
We (enjoy) the White Nights in St. Petersburg.
The sun (is shining) brightly in the sky. (если нужно все в Simple, то shines)
When it is hot, we (bathe) in the rivers and lakes.
Many people (like) to boat in summer.
My grandfather often (walks) in sunny weather.
My parents and I sometimes (go) mushrooming and picking up berries.
Every weekend they (go) to the country.
We (dig) the ground and (sow) seeds in summer.
My mother (likes) to walk in a calm warm evening.
If often (rains) in August.