English verb conjugation
MUST INGATHER

Regular verb: ingather - ingathered - ingathered

Affirmation

Simple form	V-ing form
I must ingather you must ingather he must ingather we must ingather you must ingather they must ingather	I must be ingathering you must be ingathering he must be ingathering we must be ingathering you must be ingathering they must be ingathering
Perfect	V-ing perfect
I must have ingathered you must have ingathered he must have ingathered we must have ingathered you must have ingathered they must have ingathered	I must have been ingathering you must have been ingathering he must have been ingathering we must have been ingathering you must have been ingathering they must have been ingathering

Negation

Simple form	V-ing form
I mustn't ingather you mustn't ingather he mustn't ingather we mustn't ingather you mustn't ingather they mustn't ingather	I mustn't be ingathering you mustn't be ingathering he mustn't be ingathering we mustn't be ingathering you mustn't be ingathering they mustn't be ingathering
Perfect	V-ing perfect
I mustn't have ingathered you mustn't have ingathered he mustn't have ingathered we mustn't have ingathered you mustn't have ingathered they mustn't have ingathered	I mustn't have been ingathering you mustn't have been ingathering he mustn't have been ingathering we mustn't have been ingathering you mustn't have been ingathering they mustn't have been ingathering

Interrogative form

Simple form	V-ing form
must I ingather? must you ingather? must he ingather? must we ingather? must you ingather? must they ingather?	must I be ingathering? must you be ingathering? must he be ingathering? must we be ingathering? must you be ingathering? must they be ingathering?
Perfect	V-ing perfect
must I have ingathered? must you have ingathered? must he have ingathered? must we have ingathered? must you have ingathered? must they have ingathered?	must I have been ingathering? must you have been ingathering? must he have been ingathering? must we have been ingathering? must you have been ingathering? must they have been ingathering?

Interro-negative form

Simple form	V-ing form
mustn't I ingather? mustn't you ingather? mustn't he ingather? mustn't we ingather? mustn't you ingather? mustn't they ingather?	mustn't I be ingathering? mustn't you be ingathering? mustn't he be ingathering? mustn't we be ingathering? mustn't you be ingathering? mustn't they be ingathering?
Perfect	V-ing perfect
mustn't I have ingathered? mustn't you have ingathered? mustn't he have ingathered? mustn't we have ingathered? mustn't you have ingathered? mustn't they have ingathered?	mustn't I have been ingathering? mustn't you have been ingathering? mustn't he have been ingathering? mustn't we have been ingathering? mustn't you have been ingathering? mustn't they have been ingathering?