Universal 266:

Original: If a language has Person and Number inflection, then it also has Tense, Aspect and Mood inflection.
Standardized: IF there is Person and Number inflection, THEN there is Tense, Aspect, and Mood inflection.
Keywords: verb, inflection, person, number, tense, aspect, mood
Domain: inflection
Type: implication
Status: achronic
Quality: absolute
Basis: 50 languages of Bybee 1985b sample; see Bybee 1985b: 215-6
Source: Bybee 1985b: 46

FP