IT IS
1. It is a red apple.
2. It is a beautiful day.
3. It is a serious problem.
4. It is a yellow car.
5. It is a wonderful holiday.
IT ISN'T
1. It isn't a real ghost.
2. It isn't a purple book.
3. It isn't a chair.
4. It isn't a rabbit.
5. It isn't a pink skirt.
RECUERDA:
* "It" usamos cuando nos referimos a cosas, lugares y animales de los cuales desconocemos su sexo.