English verb conjugation
MUST FORGATHER

Regular verb: forgather - forgathered - forgathered

Affirmation

Simple form	V-ing form
I must forgather you must forgather he must forgather we must forgather you must forgather they must forgather	I must be forgathering you must be forgathering he must be forgathering we must be forgathering you must be forgathering they must be forgathering
Perfect	V-ing perfect
I must have forgathered you must have forgathered he must have forgathered we must have forgathered you must have forgathered they must have forgathered	I must have been forgathering you must have been forgathering he must have been forgathering we must have been forgathering you must have been forgathering they must have been forgathering

Negation

Simple form	V-ing form
I mustn't forgather you mustn't forgather he mustn't forgather we mustn't forgather you mustn't forgather they mustn't forgather	I mustn't be forgathering you mustn't be forgathering he mustn't be forgathering we mustn't be forgathering you mustn't be forgathering they mustn't be forgathering
Perfect	V-ing perfect
I mustn't have forgathered you mustn't have forgathered he mustn't have forgathered we mustn't have forgathered you mustn't have forgathered they mustn't have forgathered	I mustn't have been forgathering you mustn't have been forgathering he mustn't have been forgathering we mustn't have been forgathering you mustn't have been forgathering they mustn't have been forgathering

Interrogative form

Simple form	V-ing form
must I forgather? must you forgather? must he forgather? must we forgather? must you forgather? must they forgather?	must I be forgathering? must you be forgathering? must he be forgathering? must we be forgathering? must you be forgathering? must they be forgathering?
Perfect	V-ing perfect
must I have forgathered? must you have forgathered? must he have forgathered? must we have forgathered? must you have forgathered? must they have forgathered?	must I have been forgathering? must you have been forgathering? must he have been forgathering? must we have been forgathering? must you have been forgathering? must they have been forgathering?

Interro-negative form

Simple form	V-ing form
mustn't I forgather? mustn't you forgather? mustn't he forgather? mustn't we forgather? mustn't you forgather? mustn't they forgather?	mustn't I be forgathering? mustn't you be forgathering? mustn't he be forgathering? mustn't we be forgathering? mustn't you be forgathering? mustn't they be forgathering?
Perfect	V-ing perfect
mustn't I have forgathered? mustn't you have forgathered? mustn't he have forgathered? mustn't we have forgathered? mustn't you have forgathered? mustn't they have forgathered?	mustn't I have been forgathering? mustn't you have been forgathering? mustn't he have been forgathering? mustn't we have been forgathering? mustn't you have been forgathering? mustn't they have been forgathering?