Compound sentence, two independent clauses. “If that clause expresses a complete thought, we call it a sentence.” The first clause depends on the second, giving us a complex sentence.

Complex sentences‌ Complex sentences combine independent (or main) and dependent (or subordinate) clauses. Ex: When Katie’s dog barked, Robin yelped in surprise. Compound sentences A compound sentence ...

Though he doesn’t mention that experience in his new book, How To Write a Sentence and How To Read One, it’s not far offstage.