Well, first lets start with what a declarative sentence is. <span>the kind of </span>sentence<span> that makes a statement or “declares” something. For example “He walks dogs."
A possessive pronoun indicates</span><span> possession, for example </span>mine<span>, </span>yours<span>, </span>hers<span>, </span>theirs<span>.
</span>A demonstrative pronoun is a pronoun that identifies and specifies a noun or pronoun. This, that, these, those.
Knowing this, you can make a sentence using them all.
"He ate his yogurt that he had been waiting to eat for days."
