Singular:
* This: "This is my new car."
* That: "That is the house I grew up in."
Plural:
* These: "These are the cookies I baked."
* Those: "Those are the flowers you gave me."
Other examples in context:
* "This is the book I told you about."
* "I like those shoes."
* "Can you hand me that pen?"
* "These are the best apples I've ever tasted."
Key takeaway: Demonstrative pronouns help us to identify specific items or people within a conversation or text.