English verb conjugation
CAN DAMPEN

Regular verb: dampen - dampened - dampened

Affirmation

Simple form	V-ing form
I can dampen you can dampen he can dampen we can dampen you can dampen they can dampen	I can be dampening you can be dampening he 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 he 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 he 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 can't dampen you can't dampen he can't dampen we can't dampen you can't dampen they can't dampen	I can't be dampening you can't be dampening he can't be dampening we can't be dampening you can't be dampening they can't be dampening
Perfect	V-ing perfect
I can't have dampened you can't have dampened he can't have dampened we can't have dampened you can't have dampened they can't have dampened	I can't have been dampening you can't have been dampening he can't have been dampening we can't have been dampening you can't have been dampening they can't have been dampening

Interrogative form

Simple form	V-ing form
can I dampen? can you dampen? can he dampen? can we dampen? can you dampen? can they dampen?	can I be dampening? can you be dampening? can he 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 he 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 he 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't I dampen? can't you dampen? can't he dampen? can't we dampen? can't you dampen? can't they dampen?	can't I be dampening? can't you be dampening? can't he be dampening? can't we be dampening? can't you be dampening? can't they be dampening?
Perfect	V-ing perfect
can't I have dampened? can't you have dampened? can't he have dampened? can't we have dampened? can't you have dampened? can't they have dampened?	can't I have been dampening? can't you have been dampening? can't he have been dampening? can't we have been dampening? can't you have been dampening? can't they have been dampening?