To write a passage using all four basic sentence structures, what types of sentences would you need to include?

simple, compound, complex, and compound-complex

simple, combined, complex, and simple-complex
simple, combined, compound, and compound-complex
simple, compact, compound, and compact-complex

The correct answer is: simple, compound, complex, and compound-complex. These are the four basic sentence structures in English grammar, and including all four in a passage would demonstrate a varied and sophisticated writing style.