It's "goods have" (not "goods has"). "Goods" is a plural noun and takes a plural verb.

It's "goods have" (not "goods has"). "Goods" is a plural noun and takes a plural verb.

The goods have been delivered.

The goods has been delivered.

Follow the same convention with other verbs to say, for example, "goods are" (not "goods is").

Consumer goods are products created to meet consumer needs.

Consumer goods is products created to meet consumer needs.

Remember, plural nouns require a determiner or pronoun in the plural.

These are your goods. (not "this")

Be also aware that plural nouns, like "goods", cannot be used with the article "a".

The goods have been dispatched from our distribution center.

The singular noun "good" has a completely different meaning. It can refer to a behavior that is morally acceptable or right, as well as something that helps someone or something.

The decision was made for the good of the company.

Follow the same strategy with the plural nouns "contents" and "belongings".