When we answer the praise or the favorable word of the other person, we can use this expression, "I'm glad you like it."
When we express an opinion that an item is great, we can use this expression, "To me, this is the best watch in the world!"
We can use this expression when we reply to the prase of the other person: How nice of you to say so! It is expressed as "How nice of you!"
-----------------------
Would you check the expressions above? Am I using correct articles? Are they all grammatical?
Yes, they are correct.
I would add "Thank you" in there, too!
Example: "Thank you. I'm glad you like it."
Example: "Thanks! This is the best watch in the world." (You'd use this only if it had been given to you as a gift.)
Example: "Thank you. How nice of you to say so."
Let's check the expressions you provided:
1. "I'm glad you like it." - This expression is correct and grammatical. It is a common way to respond when someone expresses their positive opinion about something.
2. "To me, this is the best watch in the world!" - This expression is also correct and grammatical. It is used to assert your personal opinion about something, in this case, the watch being the best in the world according to you.
3. "How nice of you to say so!" - This expression is also correct and grammatical. It is a polite way to acknowledge someone's kind words or compliments about something.
Overall, all the expressions you provided are grammatically correct and can be used in the appropriate contexts. Well done!