Sentences can be categorized into different types based on their structure and purpose. The four main types of sentences are:

Declarative Sentences: Declarative sentences make statements or convey information. They end with a period and are used to share facts, opinions, or thoughts.

Example: "The sun is shining."

Interrogative Sentences: Interrogative sentences ask questions to gather information or seek clarification. They end with a question mark.

Example: "Are you coming to the party?"

Imperative Sentences: Imperative sentences give commands, instructions, or requests. They can end with either a period or an exclamation mark, depending on the tone.

Example: "Please pass me the salt."

Exclamatory Sentences: Exclamatory sentences express strong emotions or surprise. They end with an exclamation mark.

Example: "What a beautiful sunset!"

These are the basic sentence types, but sentences can also be combined to create more complex structures:

Compound Sentences: Compound sentences consist of two or more independent clauses (complete sentences) joined by a coordinating conjunction (such as "and," "but," "or," "so") or a semicolon.

Example: "She wanted to go to the movies, but it was raining outside."

Complex Sentences: Complex sentences include one independent clause and at least one dependent clause (incomplete sentence). The dependent clause is often introduced by a subordinating conjunction (such as "although," "because," "while").

Example: "Although she was tired, she decided to finish her work."

Compound-Complex Sentences: These sentences combine elements of both compound and complex sentences. They consist of two or more independent clauses and at least one dependent clause.

Example: "He studied hard for the test, but he didn't do well because he had misunderstood some key concepts."

Understanding sentence types helps you vary your writing style and effectively convey different types of information or emotions. Mixing different sentence types can make your writing more engaging and dynamic.