I have six coloured pencils ,one is blue another is red and __ are green(others,the others)

I have six coloured pencils ,one is blue another is red and __ are green(others,the others)

the others
Here refers to those other than the red and blue ones, so it is specially referred to, so hte is added in front

Mr and Mrs Smith are the___ of this restaurant.They have run it since 1997.(own)

Mr. and Mrs. Smith are the owners of the hotel. They have been in business since 1997

Why is "Mr Smith went to a restaurant have super" wrong? How to change "have" into "for have" and "for"

Because there can only be one predicate in a sentence
If you want to use "have" in this sentence, you have to add "to" before it
Mr Smith went to a restaurant to have supper