Every morning, Greg watched the news while he drank his coffee.
while he drank his coffee: adverbial clause. modifies: watched
We celebrated by going out for pizza after we won the big soccer game.
after we won the big soccer game: adverbial clause. modifies: celebrated
Allie is the owner of that blue car parked outside.
that blue car parked outside: noun clause function: object of the preposition
The substitute teacher gave all the students who took the test a perfect score.
who took the test: adjective clause describes the students...I don't think this has a noun or adverbial clause.
That Billy scored the winning goal was not surprising to anyone.
That Billy scored the winning goal: noun clause. function: subject
I have to decide which classes to take next semester.
which classes to take next semester: noun clause. function: indirect object
The subject of the editorial is why school should start later in the morning.
why school should start later in the morning: noun clause. function: predicate nominative
Elizabeth became nervous when it was her turn to speak to the crowd.
when it was her turn to speak to the crowd: adverbial clause. modifies: became
Whoever wins the race will win $100.
Whoever wins the race: noun clause. Function: subject
Georgia wrote quickly because the test was timed.
because the test was timed: adverbial clause. modifies: wrote quickly