Sentences & Grammar
Compound Sentence
A compound sentence joins two or more independent clauses so that each part could stand alone but the writer presents them as closely related ideas.
Sentences & Grammar
Sentence patterns, clauses, voice, punctuation, usage, and practical grammar explained through examples.
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Core sentences & grammar guides
These are strong entry points with substantial examples, structure, and related paths. Choose the guide closest to the writing decision you need to make.
Sentences & Grammar
Active Voice
In active voice, the grammatical subject performs the action expressed by the verb: “The editor revised the chapter.” The structure usually makes agency direct and easy…
Sentences & Grammar
Complex Sentence
A complex sentence contains one independent clause and at least one dependent clause. The dependent clause adds information such as time, reason, condition, contrast, purpose, or…
Sentences & Grammar
Simple Sentence
A simple sentence contains one independent clause: it expresses a complete thought with a subject and a predicate, even when either part is compound or expanded…
Sentences & Grammar
Compound-Complex Sentence
A compound-complex sentence contains at least two independent clauses and at least one dependent clause, combining coordination and subordination in a single grammatical sentence.
Sentences & Grammar
Passive Voice
In passive voice, the grammatical subject receives the action: “The chapter was revised by the editor.” The actor may appear in a by-phrase or be omitted…
Sentences & Grammar
Semicolon
A semicolon most commonly joins closely related independent clauses without a coordinating conjunction; it can also separate complex list items that already contain commas.
Sentences & Grammar
Run-on Sentence
A run-on sentence incorrectly joins two or more independent clauses without the punctuation or conjunction needed to show their grammatical relationship.
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