Compound, Complex and Compound Complex Sentences
- A compound sentence has two independent clauses joined by
-A coordinating conjunction (FANBOYS)
-A semicolon alone (;)
Tom reads novels, but Sam reads comics.
Tom reads novels; his friend reads comics.
- A complex sentence has a dependent clause joined to an independent clause.
Although Tom reads novels, Sam reads comics.
Sam reads comics although Tom reads novels.
Sam, who reads comics, rarely reads novels.
Common subordinating conjunctions: after, although, as, as if, because, before, how, if, since, though, unless, until, when, where, and while
Some examples of compound-complex sentences would be the following (note the words in italics represent dependent clauses):
I invited Bruno to the concert, but he can only go if one of us gives him a ride.
Kaci has a bountiful vegetable garden, so she is always outside when it is sunny.
As soon as I heard the news, I called Nathan, and we made plans to celebrate.
I passed the test, but I would have gotten a perfect score if I had studied for the vocabulary section.
You can come pick up the cake, or if you would prefer, we can deliver it to you.
A video that might help:
https://www.grammarflip.com/curriculum/compound-complex-sentences