Lingoset thanks the following EFL professionals and organisations for their valuable contributions and cooperation:


Grammar exercises & explanations

Grammar resource primarily aimed at Portuguese native speakers.


Teacher & learner materials

Extensive EFL resource including reading materials, games and grammar.

Athabasca Univeristy

Online EFL Course

A course of lessons including practice exercises.

English Banana

Teacher & learner materials

EFL resources including printable worksheets, course books and podcasts.

Harward Communications

Business English explanations

Explanations for advanced learners focussing on business English.