Which should you use, to or too? To is a preposition and cannot be used to modify an adjective or an adverb. Too is an adverb and is used to modify adjectives and adverbs.
| Incorrect: |
If it is to good to be true, it is. |
| Correct: |
If it is too good to be true, it is. |
| Incorrect: |
We are going too Toronto too spend the holidays with our family. |
| Correct: |
We are going to Toronto to spend the holidays with our family. |
