How to use "This is" in conversation sentences.

 The phrase "this is" is a versatile and commonly used expression in English conversation. It can be used in a variety of ways to introduce, identify, or describe something. Here are some examples of how to use "this is" in conversation sentences:

Introduce something:

• "This is my friend, Sarah."
• "This is my new car."
• "This is the restaurant I told you about."

Identify something:

• "This is the book I'm reading."
• "This is the problem I'm having."
• "This is the solution I propose."

Describe something:

• "This is a beautiful painting."
• "This is a delicious meal."
• "This is a very interesting movie."

Here are some additional examples of how to use "this is" in conversation:

• "What is this?" (Asking about something you don't recognize)
• "This is my fault." (Taking responsibility for something)
• "This is it!" (Expressing excitement or satisfaction)
• "This is just the beginning." (Suggesting that more is to come)
• "This is a long story." (Warning someone that a story will be lengthy)