I find it too hard to remember whether to use "to" or "too" in a sentence.
I am American too.
The word 'too' is used like also. i.e. I need to have a break too
The significance of technology is way too important. This is a sentence using significance word in it.
The carpenter would like to eat, too.
My belt is too loose, I have to tighten it.
I like a man to be masculine, but not too masculine.
By using your brain and not being too lazy
"That is a fish too elusive to catch." (:
Perhaps I've answered too hurriedly.
That grade of gasoline has too much octane.
It seems that you protest too strongly.
The viscosity of the liquid was too high, anything could float over it. It is the sentence using the word viscosity.