English verb conjugation
MUST AIRLIFT

Regular verb: airlift - airlifted - airlifted

Affirmation

Simple form	V-ing form
I must airlift you must airlift she must airlift we must airlift you must airlift they must airlift	I must be airlifting you must be airlifting she must be airlifting we must be airlifting you must be airlifting they must be airlifting
Perfect	V-ing perfect
I must have airlifted you must have airlifted she must have airlifted we must have airlifted you must have airlifted they must have airlifted	I must have been airlifting you must have been airlifting she must have been airlifting we must have been airlifting you must have been airlifting they must have been airlifting

Negation

Simple form	V-ing form
I must not airlift you must not airlift she must not airlift we must not airlift you must not airlift they must not airlift	I must not be airlifting you must not be airlifting she must not be airlifting we must not be airlifting you must not be airlifting they must not be airlifting
Perfect	V-ing perfect
I must not have airlifted you must not have airlifted she must not have airlifted we must not have airlifted you must not have airlifted they must not have airlifted	I must not have been airlifting you must not have been airlifting she must not have been airlifting we must not have been airlifting you must not have been airlifting they must not have been airlifting

Interrogative form

Simple form	V-ing form
must I airlift? must you airlift? must she airlift? must we airlift? must you airlift? must they airlift?	must I be airlifting? must you be airlifting? must she be airlifting? must we be airlifting? must you be airlifting? must they be airlifting?
Perfect	V-ing perfect
must I have airlifted? must you have airlifted? must she have airlifted? must we have airlifted? must you have airlifted? must they have airlifted?	must I have been airlifting? must you have been airlifting? must she have been airlifting? must we have been airlifting? must you have been airlifting? must they have been airlifting?

Interro-negative form

Simple form	V-ing form
must I not airlift? must you not airlift? must she not airlift? must we not airlift? must you not airlift? must they not airlift?	must I not be airlifting? must you not be airlifting? must she not be airlifting? must we not be airlifting? must you not be airlifting? must they not be airlifting?
Perfect	V-ing perfect
must I not have airlifted? must you not have airlifted? must she not have airlifted? must we not have airlifted? must you not have airlifted? must they not have airlifted?	must I not have been airlifting? must you not have been airlifting? must she not have been airlifting? must we not have been airlifting? must you not have been airlifting? must they not have been airlifting?