Welcome to the World of Object Oriented English
Anyone interested in teaching or learning English is warmly advised to take advantage of the material presented in Red, Green and Blue Book, that is, with the scope of the Beginning, Intermediate and Advanced level. Site design takes care of the requirements regarding mobile devices as well as desktop computers. So, Object Oriented English Teaching Curriculum is at your fingertip 24/7/365 even on the go.
This place is a real El Dorado for the teachers and students of English language. All relevant English syntax features (and much, much more) are presented and associated with rather numerous exercises designed to make students adopt them smoothly.
Enjoy the adventure of exploring the exciting world of English language.