must gang
Verbo regular: gang - ganged- ganged

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must gang
you must gang
he must gang
we must gang
you must gang
they must gang 	I must be ganging
you must be ganging
he must be ganging
we must be ganging
you must be ganging
they must be ganging	I must have ganged
you must have ganged
he must have ganged
we must have ganged
you must have ganged
they must have ganged	I must have been ganging
you must have been ganging
he must have been ganging
we must have been ganging
you must have been ganging
they must have been ganging	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not gang
you must not gang
he must not gang
we must not gang
you must not gang
they must not gang 	I must not be ganging
you must not be ganging
he must not be ganging
we must not be ganging
you must not be ganging
they must not be ganging	I must not have ganged
you must not have ganged
he must not have ganged
we must not have ganged
you must not have ganged
they must not have ganged	I must not have been ganging
you must not have been ganging
he must not have been ganging
we must not have been ganging
you must not have been ganging
they must not have been ganging	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I gang?
must you gang?
must he gang?
must we gang?
must you gang?
must they gang? 	must I be ganging?
must you be ganging?
must he be ganging?
must we be ganging?
must you be ganging?
must they be ganging? 	must I have ganged?
must you have ganged?
must he have ganged?
must we have ganged?
must you have ganged?
must they have ganged? 	must I have been ganging?
must you have been ganging?
must he have been ganging?
must we have been ganging?
must you have been ganging?
must they have been ganging? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not gang?
must you not gang?
must he not gang?
must we not gang?
must you not gang?
must they not gang? 	must I not be ganging?
must you not be ganging?
must he not be ganging?
must we not be ganging?
must you not be ganging?
must they not be ganging? 	must I not have ganged?
must you not have ganged?
must he not have ganged?
must we not have ganged?
must you not have ganged?
must they not have ganged? 	must I not have been ganging?
must you not have been ganging?
must he not have been ganging?
must we not have been ganging?
must you not have been ganging?
must they not have been ganging?