10 oraciones en singular y convertirlas a plural en ingles?

1) sin : she has written her book for three years plu : they have written their book for three years

2) s : i am going to go to my grandmom´shouse p : weare going to go to our grandmom´shouse

3) s : she drinks pepsi soda p : theydrink pepsi soda

4) s : the mouse eats cheese every day p : the mice eat cheese every day

5) s : my brother sings inmy party p : my brothers sing inmy party

6) s : i will travel to Paris in 2015 p : we will travel to Paris in 2015

7) s : the car is red color as that light.

P : the cars are red color as that light.

8) s : my teacher is young p : my teachers are young

9) s : that woman should be the thief p : that women should be the thieves

10) s : i am colombian p : we are colombian.