1)My brother is very tall
2)I am good at mathematics
3)My parents are hard-working
4)Clowns are very funny
5)My grandpa is old
6)I have young sister
7)Bed in my room is comfortable
8)My ruler is long
9)My brother's ruler is shorter than my
10)My house is very big
11)My newborn nephew is very small
12)I am very talkative person