Pronunciation by foreign speakers English language 14 Study and teaching 5 Phonetics 4 Vowels 4 Formants (Speech) 3 Ability testing 2 Comparative studies 2 Grammar, Comparative and general 2 Parts of speech 2 Pronunciation 2 Spoken English 2 Usage 2 Variation 2 Accents and accentuation 1 Arabic language 1 Articulation disorders 1 Artificial intelligence 1 Automatic speech recognition 1 Chinese speakers 1 Consonants 1 Conversation analysis 1 Dialects 1 Educational applications 1 Foreign speakers 1 Grammar 1 Hausa (African people) 1 Hidden Markov models 1 Language 1 Linguistic change 1