must forgather
Regular verb: forgather - forgathered- forgathered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must forgather
you must forgather
she must forgather
we must forgather
you must forgather
they must forgather 	I must be forgathering
you must be forgathering
she must be forgathering
we must be forgathering
you must be forgathering
they must be forgathering	I must have forgathered
you must have forgathered
she 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
she 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 	Perfect 	V-ing perfect 	
I must not forgather
you must not forgather
she must not forgather
we must not forgather
you must not forgather
they must not forgather 	I must not be forgathering
you must not be forgathering
she must not be forgathering
we must not be forgathering
you must not be forgathering
they must not be forgathering	I must not have forgathered
you must not have forgathered
she must not have forgathered
we must not have forgathered
you must not have forgathered
they must not have forgathered	I must not have been forgathering
you must not have been forgathering
she must not have been forgathering
we must not have been forgathering
you must not have been forgathering
they must not have been forgathering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I forgather?
must you forgather?
must she forgather?
must we forgather?
must you forgather?
must they forgather? 	must I be forgathering?
must you be forgathering?
must she be forgathering?
must we be forgathering?
must you be forgathering?
must they be forgathering? 	must I have forgathered?
must you have forgathered?
must she 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 she 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 	Perfect 	V-ing perfect 	
must I not forgather?
must you not forgather?
must she not forgather?
must we not forgather?
must you not forgather?
must they not forgather? 	must I not be forgathering?
must you not be forgathering?
must she not be forgathering?
must we not be forgathering?
must you not be forgathering?
must they not be forgathering? 	must I not have forgathered?
must you not have forgathered?
must she not have forgathered?
must we not have forgathered?
must you not have forgathered?
must they not have forgathered? 	must I not have been forgathering?
must you not have been forgathering?
must she not have been forgathering?
must we not have been forgathering?
must you not have been forgathering?
must they not have been forgathering?