I understand that many students ask this question simply because in their own experience they have always been presented with two main scenarios, and nothing in between. They want to know where they are going to be standing as regards to their learning.
Which are those two scenarios? Well, in one extreme we have those language courses that teach grammar almost exclusively, as if preparing the students to be grammarians of the second language rather than users. In the other extreme we have those “communicative” courses in which the only thing that is done is to talk about something or to read an article and comment on it. In many cases, what is seen in one class has no resemblance to what is done in the next.
In my experience, both scenarios may seem good for very specific purposes but I personally feel both are inappropriate for most language learners. For starters, by itself, a good command of the grammar of a language does not imply that the person is able to communicate effectively, as we usually see with students who have only been exposed to an all-grammar-oriented approach sometimes for many years. Many could recite the grammar by heart but if asked to express basic information, they would hesitate too much and browse through all the grammar rules in their heads before making an utterance, or simply dry up.
Secondly, just talking in class without anything else done in order to learn from the