What is an adverb?
It's kind of like an adjective. An adjective describes a noun.
An adverb describes a verb.
Why am I talking about adverbs?
I need to mention them because they do tend to pop up in the TOEFL Reading section as a vocabulary question.
And they do tend to send students' stress levels into overdrive when they see them.
Watch this video for a break down of what an adverb is and how to deal with them on the TOEFL.