Before you go for a job interview, make sure that you do your homework. Find out as much as you could about the company, about its history, about what it does, how many people it employ, and so on. During the interview, try to keeping to the point. Give complete answers but do not talk for longer then necessary. Finally, remember that you can ask the interviewer question. This will show that you are really interested for the opportunity. Before you go for a job interview, make sure that you do your homework. Find out as much as you can about the company, about its history, about what it does, how many people it employs, and so on. During the interview, try to keep to the point. Give complete answers but do not talk for longer than necessary. Finally, remember that you can ask the interviewer questions. This will show that you are really interested in the opportunity. Explanation: 1. In the phrase "as much as you could" should be replaced with "as much as you can" because "could" is used for a past ability and in this case, we need to use "can" to show present ability. 2. In the word "employ" should be replaced with "employs" because it should be in the third person singular form to agree with the subject "company". 3. In the phrase "try to keeping" should be replaced with "try to keep" to maintain the correct grammatical structure. 4. In the word "then" should be replaced with "than" because "than" is used in comparisons, while "then" is used to indicate time or sequence. 5. In the word "question" should be changed to "questions" to agree with the plural form of "interviewer". Additionally, the article "the" should be added before "interviewer". 6. In the phrase "interested for the opportunity" should be replaced with "interested in the opportunity" to use the correct preposition "in" after the verb "interested".