must dampen
Verbo regular: dampen - dampened- dampened

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must dampen
you must dampen
he must dampen
we must dampen
you must dampen
they must dampen 	I must be dampening
you must be dampening
he must be dampening
we must be dampening
you must be dampening
they must be dampening	I must have dampened
you must have dampened
he must have dampened
we must have dampened
you must have dampened
they must have dampened	I must have been dampening
you must have been dampening
he must have been dampening
we must have been dampening
you must have been dampening
they must have been dampening	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must not dampen
you must not dampen
he must not dampen
we must not dampen
you must not dampen
they must not dampen 	I must not be dampening
you must not be dampening
he must not be dampening
we must not be dampening
you must not be dampening
they must not be dampening	I must not have dampened
you must not have dampened
he must not have dampened
we must not have dampened
you must not have dampened
they must not have dampened	I must not have been dampening
you must not have been dampening
he must not have been dampening
we must not have been dampening
you must not have been dampening
they must not have been dampening	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I dampen?
must you dampen?
must he dampen?
must we dampen?
must you dampen?
must they dampen? 	must I be dampening?
must you be dampening?
must he be dampening?
must we be dampening?
must you be dampening?
must they be dampening? 	must I have dampened?
must you have dampened?
must he have dampened?
must we have dampened?
must you have dampened?
must they have dampened? 	must I have been dampening?
must you have been dampening?
must he have been dampening?
must we have been dampening?
must you have been dampening?
must they have been dampening? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I not dampen?
must you not dampen?
must he not dampen?
must we not dampen?
must you not dampen?
must they not dampen? 	must I not be dampening?
must you not be dampening?
must he not be dampening?
must we not be dampening?
must you not be dampening?
must they not be dampening? 	must I not have dampened?
must you not have dampened?
must he not have dampened?
must we not have dampened?
must you not have dampened?
must they not have dampened? 	must I not have been dampening?
must you not have been dampening?
must he not have been dampening?
must we not have been dampening?
must you not have been dampening?
must they not have been dampening?