must launder
Verbo regular: launder - laundered- laundered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must launder
you must launder
she must launder
we must launder
you must launder
they must launder 	I must be laundering
you must be laundering
she must be laundering
we must be laundering
you must be laundering
they must be laundering	I must have laundered
you must have laundered
she must have laundered
we must have laundered
you must have laundered
they must have laundered	I must have been laundering
you must have been laundering
she must have been laundering
we must have been laundering
you must have been laundering
they must have been laundering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not launder
you must not launder
she must not launder
we must not launder
you must not launder
they must not launder 	I must not be laundering
you must not be laundering
she must not be laundering
we must not be laundering
you must not be laundering
they must not be laundering	I must not have laundered
you must not have laundered
she must not have laundered
we must not have laundered
you must not have laundered
they must not have laundered	I must not have been laundering
you must not have been laundering
she must not have been laundering
we must not have been laundering
you must not have been laundering
they must not have been laundering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I launder?
must you launder?
must she launder?
must we launder?
must you launder?
must they launder? 	must I be laundering?
must you be laundering?
must she be laundering?
must we be laundering?
must you be laundering?
must they be laundering? 	must I have laundered?
must you have laundered?
must she have laundered?
must we have laundered?
must you have laundered?
must they have laundered? 	must I have been laundering?
must you have been laundering?
must she have been laundering?
must we have been laundering?
must you have been laundering?
must they have been laundering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not launder?
must you not launder?
must she not launder?
must we not launder?
must you not launder?
must they not launder? 	must I not be laundering?
must you not be laundering?
must she not be laundering?
must we not be laundering?
must you not be laundering?
must they not be laundering? 	must I not have laundered?
must you not have laundered?
must she not have laundered?
must we not have laundered?
must you not have laundered?
must they not have laundered? 	must I not have been laundering?
must you not have been laundering?
must she not have been laundering?
must we not have been laundering?
must you not have been laundering?
must they not have been laundering?