We sometimes use them with nouns and we sometimes use them on their own. We use this (singular) and these (plural) to talk about things close to us, and that ( ...
We use this, that, these and those to point to people and things. This and that are singular. These and those are plural. We use them as determiners and ...
We sometimes use them with nouns and we sometimes use them on their own. We use this (singular) and these (plural) to talk about things close to us, and that ( ...