Use “to” as a preposition: “I am going to the store.”
Use “to” before a verb in its base form: “I want to eat.”
Use “to” to show direction, recipient, or purpose: “Give this to her.”
Use “too” to mean “also” or “as well”: “I want to go too.”
Use “too” to mean “more than enough” or “excessively”: “The soup is too hot.”
Use “too” before adjectives or adverbs to show excess: “She is too tired to continue.”
Remember: “to” is usually for movement, connection, or infinitives.
Remember: “too” usually means “also” or “excessive.”