For example,
Cabal Online Alz a Spanish speaker who has been saying "1 do it" to express willingness to do something in the immediate future, could, by interacting with native speakers of English, observe that native speakers actually say "1'11 do it".
Cabal Gold the resulting difference can serve as a basis for the student to correct his way of using the present tense in English.
Cabal Alz but a student who is unwilling to interact in the first place would lose this opportunity to learn by trial and error.