My hobby are collecting stamps from different countries.
is
My sister enjoys to dance in her room.
dancing (gerund form after certain verbs)
They never reads books about gardening.
read
I usually play foot ball at the school field.
football
reading is fun. It also makes you smarter.
Reading (capitalize start of the sentence)
Play football every day makes me happy, but I get tired, too.
Playing
Chens father is a kind man. He gives him a wallet.
Chen's (apostrophe)
i enjoy watching movies at night with my family.
I ( always capitalize the word "I" )
Title: My favorite Hobby
Favorite (capitalize the first letter of each words in the Title)
Playing the piano helps me relax and focus
. (full stop / period)
I want buying a teddy bear for my sister.
to buy (infinitive: to + verb1)
My hobby is cook food for my family.
cooking (gerund after verb to be "is")
Drawing and paintting are my favorite hobbies.
painting (spelling and correct gerund form)
marie never goes fishing with her dad.
Marie (capitalize name of person)
I like to swimming in summer.
to swim / swimming (correct gerund or infinitive form)