Answer:
True.
Explanation:
Introductory dependent clauses come before the independent clause-main clause. The function of introductory dependent clauses are to provide background information about the independent clause. They announce something important or something needed to solidify the understanding of the independent clauses. For this reason, a comma is needed to separate the introductory dependent clause from independent clause. The separation by comma brings clarity between the introductory dependent clause and independent clause in a sentence.
Example: When Brainly saw Andre this morning, she greeted him.
