must singularise
Verbo regular: singularise - singularised- singularised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must singularise
you must singularise
he must singularise
we must singularise
you must singularise
they must singularise 	I must be singularising
you must be singularising
he must be singularising
we must be singularising
you must be singularising
they must be singularising	I must have singularised
you must have singularised
he must have singularised
we must have singularised
you must have singularised
they must have singularised	I must have been singularising
you must have been singularising
he must have been singularising
we must have been singularising
you must have been singularising
they must have been singularising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not singularise
you must not singularise
he must not singularise
we must not singularise
you must not singularise
they must not singularise 	I must not be singularising
you must not be singularising
he must not be singularising
we must not be singularising
you must not be singularising
they must not be singularising	I must not have singularised
you must not have singularised
he must not have singularised
we must not have singularised
you must not have singularised
they must not have singularised	I must not have been singularising
you must not have been singularising
he must not have been singularising
we must not have been singularising
you must not have been singularising
they must not have been singularising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I singularise?
must you singularise?
must he singularise?
must we singularise?
must you singularise?
must they singularise? 	must I be singularising?
must you be singularising?
must he be singularising?
must we be singularising?
must you be singularising?
must they be singularising? 	must I have singularised?
must you have singularised?
must he have singularised?
must we have singularised?
must you have singularised?
must they have singularised? 	must I have been singularising?
must you have been singularising?
must he have been singularising?
must we have been singularising?
must you have been singularising?
must they have been singularising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not singularise?
must you not singularise?
must he not singularise?
must we not singularise?
must you not singularise?
must they not singularise? 	must I not be singularising?
must you not be singularising?
must he not be singularising?
must we not be singularising?
must you not be singularising?
must they not be singularising? 	must I not have singularised?
must you not have singularised?
must he not have singularised?
must we not have singularised?
must you not have singularised?
must they not have singularised? 	must I not have been singularising?
must you not have been singularising?
must he not have been singularising?
must we not have been singularising?
must you not have been singularising?
must they not have been singularising?