Learn the differences between simple, compound and complex sentences, to write in more detail.

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.

When a sentence has two main clauses A sentence with two independent clauses is called a compound sentence. Examples are: The girl made five promises and she has fulfilled all.

When combining two complete sentences with a conjunction ("and," "but," "or," "for," or "yet"), precede the conjunction with a comma. Example: Still, the sun is slowly getting brighter and hotter, and ...

Grammatically, this sentence is different from the original example, with two independent clauses ("John ate a slice" and "he drank a bottle of beer") separated by a coordinating conjunction ("and").