I must gift you must gift she must gift we must gift you must gift they must gift
V-ing form
I must be gifting you must be gifting she must be gifting we must be gifting you must be gifting they must be gifting
Perfect
I must have gifted you must have gifted she must have gifted we must have gifted you must have gifted they must have gifted
V-ing perfect
I must have been gifting you must have been gifting she must have been gifting we must have been gifting you must have been gifting they must have been gifting
Negation
Simple form
I mustn't gift you mustn't gift she mustn't gift we mustn't gift you mustn't gift they mustn't gift
V-ing form
I mustn't be gifting you mustn't be gifting she mustn't be gifting we mustn't be gifting you mustn't be gifting they mustn't be gifting
Perfect
I mustn't have gifted you mustn't have gifted she mustn't have gifted we mustn't have gifted you mustn't have gifted they mustn't have gifted
V-ing perfect
I mustn't have been gifting you mustn't have been gifting she mustn't have been gifting we mustn't have been gifting you mustn't have been gifting they mustn't have been gifting
Interrogative form
Simple form
must I gift? must you gift? must she gift? must we gift? must you gift? must they gift?
V-ing form
must I be gifting? must you be gifting? must she be gifting? must we be gifting? must you be gifting? must they be gifting?
Perfect
must I have gifted? must you have gifted? must she have gifted? must we have gifted? must you have gifted? must they have gifted?
V-ing perfect
must I have been gifting? must you have been gifting? must she have been gifting? must we have been gifting? must you have been gifting? must they have been gifting?
Interro-negative form
Simple form
mustn't I gift? mustn't you gift? mustn't she gift? mustn't we gift? mustn't you gift? mustn't they gift?
V-ing form
mustn't I be gifting? mustn't you be gifting? mustn't she be gifting? mustn't we be gifting? mustn't you be gifting? mustn't they be gifting?
Perfect
mustn't I have gifted? mustn't you have gifted? mustn't she have gifted? mustn't we have gifted? mustn't you have gifted? mustn't they have gifted?
V-ing perfect
mustn't I have been gifting? mustn't you have been gifting? mustn't she have been gifting? mustn't we have been gifting? mustn't you have been gifting? mustn't they have been gifting?