The -ing ending and the letter oPronouncing -ing clearly, and the common sounds of the letter o.Related learning areasEnglish PronunciationRelated conceptsContractions 'll and won'tDiphthongsDouble consonants in spelling and soundFinal -s and -es — /s/, /z/, and /ɪz/HomophonesIntonation in wh- questionsQuestionsAll questions in this subjectStart learningStart free practice