must gather
Verbo regular: gather - gathered- gathered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must gather
you must gather
he must gather
we must gather
you must gather
they must gather 	I must be gathering
you must be gathering
he must be gathering
we must be gathering
you must be gathering
they must be gathering	I must have gathered
you must have gathered
he must have gathered
we must have gathered
you must have gathered
they must have gathered	I must have been gathering
you must have been gathering
he must have been gathering
we must have been gathering
you must have been gathering
they must have been gathering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't gather
you mustn't gather
he mustn't gather
we mustn't gather
you mustn't gather
they mustn't gather 	I mustn't be gathering
you mustn't be gathering
he mustn't be gathering
we mustn't be gathering
you mustn't be gathering
they mustn't be gathering	I mustn't have gathered
you mustn't have gathered
he mustn't have gathered
we mustn't have gathered
you mustn't have gathered
they mustn't have gathered	I mustn't have been gathering
you mustn't have been gathering
he mustn't have been gathering
we mustn't have been gathering
you mustn't have been gathering
they mustn't have been gathering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I gather?
must you gather?
must he gather?
must we gather?
must you gather?
must they gather? 	must I be gathering?
must you be gathering?
must he be gathering?
must we be gathering?
must you be gathering?
must they be gathering? 	must I have gathered?
must you have gathered?
must he have gathered?
must we have gathered?
must you have gathered?
must they have gathered? 	must I have been gathering?
must you have been gathering?
must he have been gathering?
must we have been gathering?
must you have been gathering?
must they have been gathering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I gather?
mustn't you gather?
mustn't he gather?
mustn't we gather?
mustn't you gather?
mustn't they gather? 	mustn't I be gathering?
mustn't you be gathering?
mustn't he be gathering?
mustn't we be gathering?
mustn't you be gathering?
mustn't they be gathering? 	mustn't I have gathered?
mustn't you have gathered?
mustn't he have gathered?
mustn't we have gathered?
mustn't you have gathered?
mustn't they have gathered? 	mustn't I have been gathering?
mustn't you have been gathering?
mustn't he have been gathering?
mustn't we have been gathering?
mustn't you have been gathering?
mustn't they have been gathering?