Assertion: verb's vowel | /r/HasProperty | short
Facets:
Source sentences:
text: The third person singular present tense is formed regularly, except in the case of the modal verbs ( can , shall , etc.) which do not add -s , the verb be (which has three present indicative forms: am , is and are ), and the three verbs have , do and say , which produce the forms has , does (pronounced with a short vowel, /dʌz/ ), and says (pronounced with a short vowel, /sɛz/ ).