怎样用英语介绍自己姓名.家庭.年龄.班级

给你篇我自己写的范文吧！
Hello! everyone . My name is Mike .I'm 10 years old .I'm a pupil .I have a big family .I have two big sister two Little brother !I'm lucky in the Middle .I'm a 5 grade student .I always finishing my assignments on time .

Hello,My name is ...I'm ..years old.I'm from Class ..Grand...There are ...people in my family.My father is ...and my mother is ....