Outline your points

Topic sentence: All foreign students have the same difficulty-the English barrier.A. One area of difficulty is the words of English.
When I was in high school, I tried to learn as many words as I could every day.
English words also cause problems because there are a lot of words that combine to make different meanings.
B. Another difficulty for foreigners is pronunciation.
English has some words that appear to be the same but have different pronunciations for different meanings.
To understand an American also depends on his or her accent.
C. If a foreigner learns English in the northern part of the country, he or she might have trouble communicating with southerners.
Concluding sentence: This technological language is also part of the English barrier.