... research on Teacher’s Corrective Feedback on the pronunciation of English fricative and affricate consonants by non -English major freshmen at the Diplomatic Academy of Vietnam II Aim and Objectives of ... I.1 The Importance of Pronunciation Teaching and Learning I.2 Aspects of Pronunciation I.3 The Aim of Teaching Pronunciation: Intelligibility I.4 General Description of Consonants and English Consonants ... examine the effect of TECF on the pronunciation of the six consonants /s, z, ʃ, ʒ, ʤ, ʧ/ • by non -English major freshmen at DAV; To investigate the experimental students’ opinions about TECF on their...