3 Stick to one sentence pattern.
Details				Incorrect Example	Correct Example
a) Don’t mix up the introduction with the main part of the sentence – keep them separate.				Whenever college parties have alcohol for young people are in danger while driving home.	Whenever college parties have alcohol for young people, they are in danger while driving home.
b) Don’t link an introductory phrase with the second half of a compound sentence.				Although the Nazis developed powerful new aircraft late in the war, and they lacked the oil fields to fuel them.	Although the Nazis developed powerful new aircraft late in the war, they lacked the oil fields to fuel them.
c) The Pushmipullyu Sentence				The three things needed to draw are a pencil, a pad, and an eraser are needed to draw.  The reasons a driver should wear a seatbelt are for the following reasons:	The three things needed to draw are a pencil, a pad, and an eraser.   Here are several reasons why a driver should wear a seatbelt.
Three typical sentence patterns:
simple sentence
The dog runs.
Compound sentence (two simple sentences stuck together)
The dog runs,	and		the boy chases him.
An introduction and a simple sentence
After the food arrives,		we will eat.