Image source: www.willis-elt.co.uk I opened my Facebook yesterday morning and was saddened to see Chia Suan Chong’s post about the passing of Dave Willis. I went over to Twitter and the feed was already filled with RIPs and condolences. For most in the ELT world Dave Willis’s name is associated with Task-Based Learning. But his contribution to lexical approaches to language teaching is just as outstanding. In fact, his pioneering work on the first Lexical Syllabus predates Michael Lewis’s seminal book by three years, the main difference between the two being words as a starting point for Willis and collocations for Lewis. In the late 1980s Collins published a new EFL textbook co-authored by Dave Willis and his wife Jane. The book was an outcome of the COBUILD (Collins Birmingham University International Database) project – at that time the biggest and most significant attempt to compile a corpus of contemporary English. Simply titled Collins Cobuild English Course, the bo...