Please read Chapter 26 in the textbook before viewing the videos below.
University of Evansville Writing Center Instruction Series – Part 8: Subordination and Coordination (This is a pretty advanced video, but it uses the same terminology that you find in Chapter 26 of our textbook.)
Subordination and Coordination (Click to view)
Grammar Lesson 21.4: Dependent (Subordinate) Clauses
Dependent (Subordinate) Clauses (Click to view)
Complex Sentences: Independent and Dependent Clauses, Subordinating Conjunctions, and Using Commas (I am not sure if this is the greatest video, but it matches the terminology and lessons covered in Chapter 26 of our textbook.)
Complex Sentences (Click to view)
Subordinate or Dependent Clauses, ACT English Bootcamp #8
Subordinate or Dependent Clauses (Click to view)