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 mustn't airlift you mustn't airlift she mustn't airlift we mustn't airlift you mustn't airlift they mustn't airlift	I mustn't be airlifting you mustn't be airlifting she mustn't be airlifting we mustn't be airlifting you mustn't be airlifting they mustn't be airlifting
Perfect	V-ing perfect
I mustn't have airlifted you mustn't have airlifted she mustn't have airlifted we mustn't have airlifted you mustn't have airlifted they mustn't have airlifted	I mustn't have been airlifting you mustn't have been airlifting she mustn't have been airlifting we mustn't have been airlifting you mustn't have been airlifting they mustn't 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
mustn't I airlift? mustn't you airlift? mustn't she airlift? mustn't we airlift? mustn't you airlift? mustn't they airlift?	mustn't I be airlifting? mustn't you be airlifting? mustn't she be airlifting? mustn't we be airlifting? mustn't you be airlifting? mustn't they be airlifting?
Perfect	V-ing perfect
mustn't I have airlifted? mustn't you have airlifted? mustn't she have airlifted? mustn't we have airlifted? mustn't you have airlifted? mustn't they have airlifted?	mustn't I have been airlifting? mustn't you have been airlifting? mustn't she have been airlifting? mustn't we have been airlifting? mustn't you have been airlifting? mustn't they have been airlifting?