English verb conjugation
OUGHT TO AIRLIFT

Regular verb: airlift - airlifted - airlifted

Affirmation

Simple form	V-ing form
I ought to airlift you ought to airlift he ought to airlift we ought to airlift you ought to airlift they ought to airlift	I ought to be airlifting you ought to be airlifting he ought to be airlifting we ought to be airlifting you ought to be airlifting they ought to be airlifting
Perfect	V-ing perfect
I ought to have airlifted you ought to have airlifted he ought to have airlifted we ought to have airlifted you ought to have airlifted they ought to have airlifted	I ought to have been airlifting you ought to have been airlifting he ought to have been airlifting we ought to have been airlifting you ought to have been airlifting they ought to have been airlifting

Negation

Simple form	V-ing form
I ought not to airlift you ought not to airlift he ought not to airlift we ought not to airlift you ought not to airlift they ought not to airlift	I ought not to airlifting you ought not to airlifting he ought not to airlifting we ought not to airlifting you ought not to airlifting they ought not to airlifting
Perfect	V-ing perfect
I ought not to have airlifted you ought not to have airlifted he ought not to have airlifted we ought not to have airlifted you ought not to have airlifted they ought not to have airlifted	I ought not to have been airlifting you ought not to have been airlifting he ought not to have been airlifting we ought not to have been airlifting you ought not to have been airlifting they ought not to have been airlifting

Interrogative form

Simple form	V-ing form
ought to I airlift? ought to you airlift? ought to he airlift? ought to we airlift? ought to you airlift? ought to they airlift?	ought to I be airlifting? ought to you be airlifting? ought to he be airlifting? ought to we be airlifting? ought to you be airlifting? ought to they be airlifting?
Perfect	V-ing perfect
ought to I have airlifted? ought to you have airlifted? ought to he have airlifted? ought to we have airlifted? ought to you have airlifted? ought to they have airlifted?	ought to I have been airlifting? ought to you have been airlifting? ought to he have been airlifting? ought to we have been airlifting? ought to you have been airlifting? ought to they have been airlifting?

Interro-negative form

Simple form	V-ing form
ought I not to airlift? ought you not to airlift? ought he not to airlift? ought we not to airlift? ought you not to airlift? ought they not to airlift?	ought I not to be airlifting? ought you not to be airlifting? ought he not to be airlifting? ought we not to be airlifting? ought you not to be airlifting? ought they not to be airlifting?
Perfect	V-ing perfect
ought I not to have airlifted? ought you not to have airlifted? ought he not to have airlifted? ought we not to have airlifted? ought you not to have airlifted? ought they not to have airlifted?	ought I not to have been airlifting? ought you not to have been airlifting? ought he not to have been airlifting? ought we not to have been airlifting? ought you not to have been airlifting? ought they not to have been airlifting?