the diphthong /eɪ/ as in ace and important, generally when ⟨a⟩ is followed by one particular, or once in a while two, consonants after which you can another vowel letter—this outcomes from Middle English lengthening accompanied by The nice Vowel ShiftIn the Global Phonetic Alphabet, ⟨a⟩ is useful for the open up front unrounded vowel, �