List of verbs and adjectives and their factivity (according to Hooper 1975: 92)
- factive
- assertive (semi-factive)
- find out
- discover
- know
- learn
- note
- notice
- observe
- perceive
- realize
- recall
- remember
- reveal
- see
- non-assertive (true factive)
- regret
- resent
- forget
- amuse
- suffice
- bother
- make sense
- care
- be odd
- be strange
- be interesting
- be relevant
- be sorry
- be exciting
- assertive (semi-factive)
- non-factive
- assertive
- weak assertive
- think
- believe
- suppose
- expect
- imagine
- guess
- seem
- appear
- figure
- strong assertive
- (a)
- acknowledge
- admit
- affirm
- allege
- answer
- argue
- assure
- certify
- charge
- claim
- contend
- declare
- divulge
- emphasize
- explain
- grant
- guarantee
- hint
- hypothesize
- write
- imply
- indicate
- insist
- intimate
- maintain
- mention
- point out
- predict
- prophesy
- postulate
- remark
- reply
- report
- say
- state
- suggest
- swear
- testify
- theorize
- verify
- vow
- write
- (b)
- agree
- be afraid
- be certain
- be sure
- be clear
- be obvious
- be evident
- calculate
- decide
- deduce
- estimate
- hope
- presume
- surmise
- suspect
- (a)
- weak assertive
- non-assertive
- non-negative
- be likely
- be possible
- be probable
- be conceivable
- negative
- be unlikely
- assert
- be impossible
- be improbable
- be inconceivable
- doubt
- deny
- non-negative
- assertive
Hooper [Bybee], Joan. 1975. On assertive predicates. In John P. Kimball (ed.), Syntax and semantics, vol 4, 91–124. New York: Academy Press. https://doi.org/10.1163/9789004368828_005