Turn it into a noun
to complain
complaint
belief
disbelief
confidence
confide
Please turn off your phones .... the meeting.
during / before
a disappointment
It's very....
disappointing
to threaten
threat
mature
immature
qualification
qualify
In Sweden the temperature is usually ... zero in January.
below
Science
It's very...
scientific
to consume
consumption
honest
dishonest
a prescription
prescribe
I wasn't looking... you.
at / for
to believe
It's very...
believable
to be certain
certainty
mortal
immortal
A relief
relieve
I never go anywhere .... my phone
without
To influence
He is very...
influential
to pretend
pretence
obey
disobey
to be distinguished
distinguish
They congratulated me ... having passed my driving test.
on/for?
a resource
She is very...
resourceful