Simple sentences:
1. 1 Independent claus
2. Subject, verb, and (optional) object
3. Has to make sense
4.Expresses in complete thought
Compound Sentences:
1. 2 Independent Clauses
2. Coordinating conjunctions connection 2 sentences
3. For, And, Nor, But, Or, Yet, So (F.A.N.B.O.Y.S.)
4. 2 Simple sentences having relating ideas, then connected to make 1
Complex Sentences:
1. Multiple Parts
2. Multiple Clauses
3. One or more subordinate clauses
4. After, Although, As, As if, As long as, As much as, As soon as, As though, Because, Before, Even if, Even though, If, In order to, In Case, Once, Since, So that, That, Though, Unless, Until, When, Whenever, Whereas, Where, Whatever, While. Whenever you use one f these you have a complex sentence.
5.The subordinate claus is either in the start, middle, or end of a sentence. E.g. “Although he was well fed, the dog howled.” OR “The dog howled although he was well fed.” OR “The dog, although he was well fed, howled loudly.
How to make a complex sentence:
1 .Start with 2 adjectives
2. Start with a ‘ly’ word
3 .Start with a ‘ing’ word
4. End with an ‘ing’ word
5. Sandwich technique
6. Prepositional phrase
7. Start with a conjunction
8. End with a conjunction
9. Simile
Compound-Complex Sentences
1.2 Or more clauses
2. One or more subordinate clauses
3. Compound sentence with subordinate claus