To, too or two?
- 'To' is used to show motion, eg "I'm going to the shop."
- 'Too' means 'also' or 'extremely', eg "I would like to come too but I'm too tired."
- 'Two' means the number 2, eg "Let's buy two apples."
What is the rule for using too?
To is a preposition with several meanings, including “toward” and “until.” Too is an adverb that can mean “excessively” or “also.” Just to be clear: two is pronounced the same as to and too, but it can't be used instead of either of them because it's a number.
Where do you use the word too?
Use "too" to modify or emphasize a word. For example: "The weather is too (excessively) hot", "I've eaten too (excessively) much", or "The package is too (excessively/extra) big".