1. The dog is black and white.

2. The dog is blown.
3. One is a black and white dog and the other is a blown dog.

4. It's ten to twelve.
5. It's ten before twelve.
6. It's ten past twelve.
7. It's ten after five.

(Are the sentences all grammatical? Have a great day!)

All are correct! :-) (3. brown)

I hope you have a wonderful day, too.