`1.` Our living room has a TV anf a poster.

`=>` There is/are + N

`=` N + have/has + ....

`2.` She has long hair.

`=>` N + tobe + Adj

`=` S + have/has + Adj + N

`3.` I like English best.

`=>` S + tobe + Possessive Pronouns + favourite + N

`=` S + like(s) + N + best

`4.` The computer is in front of the lamp.

`=>` behind >< in front of

`5.` There are two bookshelves in Tom's bedroom.

`=>` N + have/has + ....

`=` There is/are + N

1. There is a TV and a poster in our living room. (has)

`=>` $\text{Our living room has a TV and a poster.}$

2. Her hair is long. (has)

`=>` $\text{She has a long hair.}$

3. English is my favourite subject. (best)

`=>` $\text{I like English best.}$

4. The lamp is behind the computer. (of)

`=>` $\text{The computer is in front of the lamp.}$

5. Tom’s bedroom has two bookshelves. (in)

`=>` $\text{There are two bookshelves in Tom's bedroom.}$

Của bạn đây nha. Chúc bạn học tốt ^^