ˈkad.əˌnād.iv, ˈkat ə nˌād.iv, -atə-, -ātiv noun
or catenative verb also catenative auxiliary
( -s )
Etymology: catenate (I) + -ive (II)
: a verb often followed by a function word (as to or on ) that occupies a position other than final in a succession of two or more verbs together forming the main part of the predicate of a sentence (as ought in “I ought to go home now” and try and keep in “they tried to keep on working”)