Main, Subordinate, Adjective, and Noun
Examples of Causes
Bad kids lie.
This clause has a subject and a verb, ending in a complete thought.
Kids= subject and lie= verb
When bad kids lie
This clause has a subordinate conjunction, a subject and a verb, but it is an incomplete thought.
When= subordinate conjunction, kids= subject, and lie= verb
Whom Jerry took to the dance
This clause has a relative pronoun, a subject, and a verb, but it does not form a complete sentence.
Whom= relative pronoun, Jerry= subject, and took= verb
Another example would be:
That had made a mess
This clause has a relative pronoun, used as a subject, and a verb, but it does not form a complete sentence.
That= relative pronoun (subject) and made= verb
Stacy had a lot of homework.
In this clause, the noun is Stacy. To make this noun a noun clause, we replace Stacy (the noun) with a clause that can act as the noun, Stacy.
That girl with the blonde hair had a lot of homework.
In this clause, "Stacy" was replaced with "that girl with the blonde hair," which is a noun clause.