Tip #1: Know the structure
1) Topic Sentence
2) Supporting Sentences
3) Concluding Sentence
Tip #2: Write an interesting topic sentence
BORING: Chicago is a nice city.
INTERESTING: There are three reasons why studying English in Chicago can be beneficial.
Tip #3: Support your topic sentence
Your supporting sentences should directly support the opinion, the idea expressed in your topic sentence.
EXAMPLE: First, you will meet people from many different countries in Chicago.
Tip #4: Use transition words and phrases to organize and connect your thoughts and ideas.
*First, second, third
*In addition, further, moreover
*Thus, therefore, in summary
Tip #5: Your concluding sentence
Your concluding sentence should restate your topic sentence (using different words), or offer a concluding thought.
EXAMPLE: As you can see, Chicago is a wonderful choice for people who want to study English.