Write the name of the subordinate clause in each sentence:
A. Do you know how the rain is caused?
B. We will go boating after it stops raining.
C. I know what I should have done.

Solution:

A. Do you know how the rain is caused? (Subordinate or dependent clause) 'How the rain is caused' is the subordinate clause.
B. We will go boating after it stops raining. (Subordinate or dependent clause) 'after it stops raining' is the subordinate clause.
C. I know what should I have done. (Subordinate or dependent clause) 'what should I have done' is the subordinate clause.