Assertion: verb's person | /r/HasProperty | formed
Facets:
value: regularly
type: DEGREE
value: by adding the ending
type: MANNER
Source sentences:
text: The third person singular present tense is formed by adding the ending -s (or -es after certain letters) to the plain form.
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/ ).