shall dampen
Regular verb: dampen - dampened- dampened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall dampen
you shall dampen
he shall dampen
we shall dampen
you shall dampen
they shall dampen 	I shall be dampening
you shall be dampening
he shall be dampening
we shall be dampening
you shall be dampening
they shall be dampening	I shall have dampened
you shall have dampened
he shall have dampened
we shall have dampened
you shall have dampened
they shall have dampened	I shall have been dampening
you shall have been dampening
he shall have been dampening
we shall have been dampening
you shall have been dampening
they shall have been dampening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shall not dampen
you shall not dampen
he shall not dampen
we shall not dampen
you shall not dampen
they shall not dampen 	I shall not be dampening
you shall not be dampening
he shall not be dampening
we shall not be dampening
you shall not be dampening
they shall not be dampening	I shall not have dampened
you shall not have dampened
he shall not have dampened
we shall not have dampened
you shall not have dampened
they shall not have dampened	I shall not have been dampening
you shall not have been dampening
he shall not have been dampening
we shall not have been dampening
you shall not have been dampening
they shall not have been dampening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I dampen?
shall you dampen?
shall he dampen?
shall we dampen?
shall you dampen?
shall they dampen? 	shall I be dampening?
shall you be dampening?
shall he be dampening?
shall we be dampening?
shall you be dampening?
shall they be dampening? 	shall I have dampened?
shall you have dampened?
shall he have dampened?
shall we have dampened?
shall you have dampened?
shall they have dampened? 	shall I have been dampening?
shall you have been dampening?
shall he have been dampening?
shall we have been dampening?
shall you have been dampening?
shall they have been dampening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shall I not dampen?
shall you not dampen?
shall he not dampen?
shall we not dampen?
shall you not dampen?
shall they not dampen? 	shall I not be dampening?
shall you not be dampening?
shall he not be dampening?
shall we not be dampening?
shall you not be dampening?
shall they not be dampening? 	shall I not have dampened?
shall you not have dampened?
shall he not have dampened?
shall we not have dampened?
shall you not have dampened?
shall they not have dampened? 	shall I not have been dampening?
shall you not have been dampening?
shall he not have been dampening?
shall we not have been dampening?
shall you not have been dampening?
shall they not have been dampening?