The answer is: syntax
Syntax is the organization of words and phrases to produce well-formed sentences in a language. In this case, the arrangement of words is incorrect mainly because in English syntax rules do not allow the definite article <em>the </em>to precede a single adjective like <em>cautious </em>or a verb, such as <em>barked</em>. Finally, adjectives must come before nouns; for example, <em>man</em>.
Answer:
Just ask :) tell him you can not properly learn unless he uses english and tell him you will fail unless he switches over :P
Explanation:
To start a argumentative you need to put in the 2 opinion and which one you pick and why.