At the end of a sentence, 'too' adds information that something is included or the same as before.
I want some juice too.
Can I come too?
'Too' can show that something is more than is good or right. It means 'more than enough' or 'over'.
The soup is too hot.
He runs too fast for me.
Sometimes 'too' is used to make a word stronger or show feeling, like saying 'very' in an informal way.
That movie is too funny!
She is too kind to me.
'Too' can mean something cannot happen because there is too much of something, like too late or too hard.
It is too late to call now.
The box is too heavy to lift.
'Too' is used to say something is more than expected in expressions showing opinion or emotion, often with other words.
This cake is too good to share.
It's too bad you can't come.
