Simple Sentences:
* The cat sat on the mat.
* My favorite color is blue.
* She runs quickly.
* They ate pizza for dinner.
* The sun shines brightly.
Compound Sentences:
* The cat sat on the mat, and the dog barked at the door.
* I love to read, but I don't have much time.
* She went to the store, and she bought some milk.
* The weather is beautiful today, so let's go for a walk.
* We can go to the movies, or we can stay home and watch a movie.
Complex Sentences:
* Because the cat sat on the mat, the dog barked at the door.
* When the sun sets, the stars come out.
* If you want to succeed, you need to work hard.
* Although she is tired, she continues to work.
* While I was walking, I saw a beautiful bird.
Compound-Complex Sentences:
* Although the cat sat on the mat, the dog barked at the door, and the bird flew away.
* Because the weather is beautiful today, let's go for a walk, and we can pack a picnic.
* If you want to succeed, you need to work hard, and you should never give up.
* While I was walking, I saw a beautiful bird, so I stopped to take a picture.
* She went to the store, and she bought some milk, because she was out.
Key Differences:
* Simple Sentences: Have one independent clause (a complete thought).
* Compound Sentences: Have two or more independent clauses joined by a coordinating conjunction (e.g., and, but, or, so, for, yet, nor).
* Complex Sentences: Have one independent clause and one or more dependent clauses (clauses that cannot stand alone). Dependent clauses are often introduced by subordinating conjunctions (e.g., because, when, if, although, while).
* Compound-Complex Sentences: Have two or more independent clauses and at least one dependent clause.
By understanding these sentence structures, you can write more varied and complex sentences that communicate your ideas effectively.