The episode is to communicate with foreigners and foreign teachers in the school and remove the various stories written in English to use the process because they will get to know the context of the message and will have to take a test.
Will be used when communicating with foreigners and foreign teachers in schools and within the writing of English to take the exam because they know the message context, and to test it.
Can use when communicate with foreigners and foreign teachers in school and took the write things within the English exam because of use to learn about the context of the text, and will do.