“…A number of studies have explored the theory of input enhancement (Combs, 2009;Doughty, 2001;VanPatten, 1990) or investigated the role of input enhancement on different areas of language, especially, grammar (Lee & Huang, 2008;Kuiken & Vedder, 2002;Rott, 2007;Wong, 2012), structure ( Abadikhah & Shahriyarpour, 2012), writing (Storch, 1998, Van Gelderen, Snellings , & De Glopper, 2004, reading (Lee, 2007), and vocabulary ( Izumi, 2002;Kim, 2008;Maftoon & Sharifi Haratmeh, 2012;Rassaei, & Karbor, 2013). The role of input elaboration, however, has rarely been dealt with in promoting learners' knowledge of English (Kim, 2003), in general, and in teaching and learning English phrasal verbs, in particular.…”