If a student writes with an accent, he will speak with an accent. Much of language acquisition and learning new grammar depends heavily on the age and abilities of the learner. Age affects the number of students able to assimilate a language. The amount of external factors that determine how we learn languages ​​is insurmountable. Students who have reached what Brown would describe as the critical period are adults who have lost their ability to acquire such speaking and writing techniques in new languages. This may be difficult to accept, but it is best for teachers and students to set realistic goals and expectations for existing classes to teach foreign languages. Students studying in ESOL classes at an American university should not be afraid to ask questions or research