All sentences need: Capital letterEnd markMake senseSubject (WHO or WHAT the sentence is about)Predicate (Describes the subject or tells more about it).

A subject is the part of a sentence that is a NOUN. It is usually in the beginning of a sentence.  Example: The boy jogged quickly. The boy is the subject or noun.  A predicate is the part of a sentence that has a VERB. It usually is in the end of a sentence.  Example: The boy jogged quickly.jogged quickly is the predicate or the verb. ***EVERY SENTENCE needs a noun and a verb. 

There are 3 different types of sentences:

SIMPLE

COMPOUND

COMPLEX

  

A compound sentence has two complete thoughts put together by a comma and a combining word like: for, and, nor, but, or, yet, so. (Helpful hint: The first letter of each of the coordinators spells FANBOYS.) Comma combining word

The boy jogged quickly, and the girl swims very well. Mrs. Gibson and Mrs. Longfellow teach reading, but Mr. Summers teaches math.