1. Sentence Structure

2. Clauses
Independent Clause: contains a subject and a verb, can stand alone as a sentence
Dependent Clause: contains a subject and a verb but cannot stand alone as a sentence

3. The boy went to the store.
Simple Sentence
1 Independent Clause
The boy went to the store.

4. Compound Sentence
2 or more independent clauses separated by a comma/coordinating conjunction or a semicolon.
The boy went to the store, but he forgot to buy milk.
The boy went to the store; he forgot to buy milk.

5. Complex Sentence 1 independent clause, 1 dependent clause
2 types: Periodic and Loose

6. Complex
Periodic: Dependent clause comes first. Dependent clause that starts a sentence is offset by a comma.
When the boy went to the store, he forgot to buy milk.

7. Complex Loose: Dependent clause comes second.
The boy went to the store even though they didn’t need milk.

8. Compound-Complex
2 or more independent clauses, 1 dependent clause. The clauses can go in any order.
After the boy went to store, he lost his wallet, and a dog bit his leg.