請幫我改這幾句英文(好簡單)

My family has mother,father and elder brother. (no problem)

I am single. (no problem)

I like to watch dvd. >>>> I like to watch a DVD movie

There are four persons that is my ex-classmates. >>>>> if u want to introduce them in speaking, u can say .... They are my ex-mates in my school. >>>>> if u want to write in sentence, you can say .... I have 4 ex-mates in my school.

My favorite pet is dog. (it is ok)

I work in a factory. (no problem)

1)I have mother,father and a elder brother in my family

3)I like watching DVD

第4句真係唔明?

(1) My family consists of father, mother and an elder brother.

(3) I like watching DVD

SORRY, 第四句就真的不明白你的真正意思