the subject is what the sentence is about
An adverb is a word that tells how, when, where, or how much. It modifies a verb, adjective, or another adverb in a sentence.
I am blind to what the government tells me
A cursory glance at this question tells me yes.
my mom tells my brother not to conservinghis food.
A sentnce using the word patriotic tells us to love our country.
In a sentence, the subject is the word that tells what it is about. In the sentence "watching the light turn yellow" the subject would be the word watching.
"The clarity of the diamond tells you how clear the diamond is"
My mother tells me to not fill the tub to the brim, but I do it anyway.
Using a word that tells you someone is doing an acton
your astrologer is named bob and tells you your future every day.
The subject tells who or what the sentence is about.
In this sentence the word run the is verb. A verb is a word that tells something that has or is doing.