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 must not ingather you must not ingather he must not ingather we must not ingather you must not ingather they must not ingather	I must not be ingathering you must not be ingathering he must not be ingathering we must not be ingathering you must not be ingathering they must not be ingathering
Perfect	V-ing perfect
I must not have ingathered you must not have ingathered he must not have ingathered we must not have ingathered you must not have ingathered they must not have ingathered	I must not have been ingathering you must not have been ingathering he must not have been ingathering we must not have been ingathering you must not have been ingathering they must not 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
must I not ingather? must you not ingather? must he not ingather? must we not ingather? must you not ingather? must they not ingather?	must I not be ingathering? must you not be ingathering? must he not be ingathering? must we not be ingathering? must you not be ingathering? must they not be ingathering?
Perfect	V-ing perfect
must I not have ingathered? must you not have ingathered? must he not have ingathered? must we not have ingathered? must you not have ingathered? must they not have ingathered?	must I not have been ingathering? must you not have been ingathering? must he not have been ingathering? must we not have been ingathering? must you not have been ingathering? must they not have been ingathering?