Question

What is the subordinate clause in this sentence?

As I was walking, I stumbled upon a beautiful seashell.

A.
As I was walking

B.
I stumbled upon

C.
a beautiful seashell

Answer 1

The subordinate clause in this sentence is A As I was walking

A subordinate clause begins with a conjunction or a relative pronoun and it doesn't have all the necessary information no convey an idea, Option A best represents this kind of clause, Options B and C are part of the main clause so they can not be considered as two different clauses.

Answer 2

The subordinate clause in the sentence stated above is:

A. As I was walking

Comma is used as an indicator which serves as the boundary line between the independent and subordinate clauses. In this sentence, the independent clause is "I stumbled upon a beautiful seashell."