The students work on suitable corpora of language materials. They research them and draw their own conclusions . For example, to learn the proper usage of auxiliary verbs, the students get a suitable text containing auxiliary verbs and they have to figure out for themselves the rule of usage rather than being told by the teacher. Click here 

The students can be given a task to accomplish, i.e. to conduct a business meeting or to book a hotel room and they are given a task-related language corpus they should use while doing it. Click here