English verb conjugation
CAN DAMPEN

Regular verb: dampen - dampened - dampened

Affirmation

Simple form	V-ing form
I can dampen you can dampen she can dampen we can dampen you can dampen they can dampen	I can be dampening you can be dampening she can be dampening we can be dampening you can be dampening they can be dampening
Perfect	V-ing perfect
I can have dampened you can have dampened she can have dampened we can have dampened you can have dampened they can have dampened	I can have been dampening you can have been dampening she can have been dampening we can have been dampening you can have been dampening they can have been dampening

Negation

Simple form	V-ing form
I cannot dampen you cannot dampen she cannot dampen we cannot dampen you cannot dampen they cannot dampen	I cannot be dampening you cannot be dampening she cannot be dampening we cannot be dampening you cannot be dampening they cannot be dampening
Perfect	V-ing perfect
I cannot have dampened you cannot have dampened she cannot have dampened we cannot have dampened you cannot have dampened they cannot have dampened	I cannot have been dampening you cannot have been dampening she cannot have been dampening we cannot have been dampening you cannot have been dampening they cannot have been dampening

Interrogative form

Simple form	V-ing form
can I dampen? can you dampen? can she dampen? can we dampen? can you dampen? can they dampen?	can I be dampening? can you be dampening? can she be dampening? can we be dampening? can you be dampening? can they be dampening?
Perfect	V-ing perfect
can I have dampened? can you have dampened? can she have dampened? can we have dampened? can you have dampened? can they have dampened?	can I have been dampening? can you have been dampening? can she have been dampening? can we have been dampening? can you have been dampening? can they have been dampening?

Interro-negative form

Simple form	V-ing form
can I not dampen? can you not dampen? can she not dampen? can we not dampen? can you not dampen? can they not dampen?	can I not be dampening? can you not be dampening? can she not be dampening? can we not be dampening? can you not be dampening? can they not be dampening?
Perfect	V-ing perfect
can I not have dampened? can you not have dampened? can she not have dampened? can we not have dampened? can you not have dampened? can they not have dampened?	can I not have been dampening? can you not have been dampening? can she not have been dampening? can we not have been dampening? can you not have been dampening? can they not have been dampening?