"That I borrowed from the library" is an example of an adjective clause in the following sentence. Ex: I left the book that I borrowed from the library in your home office. How do you identify an adjective clause? Usually an adjective clause starts with a relative pronoun, such as who,...
A gradable adjective can be used with "grading adverbs" that vary the adjective's grade or intensity. Look at these examples: grading adverbs a little, dreadfully, extremely, fairly, hugely, immensely, intensely, rather, reasonably, slightly, unusually, very+gradable adjectives ...