1. Simple Sentence:
* Definition: A simple sentence has one independent clause (a clause that can stand alone as a complete thought).
* Example: The cat sat on the mat.
* Structure: Subject + Verb + (Object/Complement)
2. Compound Sentence:
* Definition: A compound sentence has two or more independent clauses joined by a coordinating conjunction (for, and, nor, but, or, yet, so) or a semicolon.
* Example: The cat sat on the mat, and the dog barked at the door.
* Structure: Independent Clause + Coordinating Conjunction + Independent Clause
* Example (Semicolon): The cat sat on the mat; the dog barked at the door.
3. Complex Sentence:
* Definition: A complex sentence has one independent clause and at least one dependent clause (a clause that cannot stand alone as a complete thought). Dependent clauses are often introduced by subordinating conjunctions (because, although, since, while, if, when, etc.).
* Example: Because the cat sat on the mat, the dog barked at the door.
* Structure: Dependent Clause + Independent Clause
* Example (Independent Clause first): The dog barked at the door because the cat sat on the mat.
4. Compound-Complex Sentence:
* Definition: A compound-complex sentence has two or more independent clauses and at least one dependent clause.
* Example: Because the cat sat on the mat, the dog barked at the door, and the bird flew away.
* Structure: Dependent Clause + Independent Clause + Coordinating Conjunction + Independent Clause
5. Declarative Sentence:
* Definition: A declarative sentence makes a statement.
* Example: The cat is sleeping.
6. Interrogative Sentence:
* Definition: An interrogative sentence asks a question.
* Example: Is the cat sleeping?
7. Imperative Sentence:
* Definition: An imperative sentence gives a command or makes a request.
* Example: Please feed the cat.
8. Exclamatory Sentence:
* Definition: An exclamatory sentence expresses strong emotion.
* Example: The cat is so fluffy!
Remember, the form of a sentence is distinct from its purpose. For example, a simple sentence could be declarative, interrogative, imperative, or exclamatory.