noun
a word that refers to a person, place, thing, event, substance, or quality
preposition
a word that shows the relationship between a noun (or pronoun) and other words in a sentence
article
a word that is used to indicate the type of reference being made to a noun
-
The company's investment went down the drain after the project failed.
-
All that money we spent on the concert tickets went down the drain when it got canceled.
-
I can't believe all my hard work studying for the test went down the drain because I overslept.
-
Her dreams of becoming a singer went down the drain when she lost her voice.