English verb conjugation
COULD DAM UP

Regular verb: dam up - dam uped - dam uped

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I could dam up you could dam up she could dam up we could dam up you could dam up they could dam up	I could be dam uping you could be dam uping she could be dam uping we could be dam uping you could be dam uping they could be dam uping
Perfect	V-ing perfect
I could have dam uped you could have dam uped she could have dam uped we could have dam uped you could have dam uped they could have dam uped	I could have been dam uping you could have been dam uping she could have been dam uping we could have been dam uping you could have been dam uping they could have been dam uping

Negation

Simple form	V-ing form
I could not dam up you could not dam up she could not dam up we could not dam up you could not dam up they could not dam up	I could not be dam uping you could not be dam uping she could not be dam uping we could not be dam uping you could not be dam uping they could not be dam uping
Perfect	V-ing perfect
I could not have dam uped you could not have dam uped she could not have dam uped we could not have dam uped you could not have dam uped they could not have dam uped	I could not have been dam uping you could not have been dam uping she could not have been dam uping we could not have been dam uping you could not have been dam uping they could not have been dam uping

Interrogative form

Simple form	V-ing form
could I dam up? could you dam up? could she dam up? could we dam up? could you dam up? could they dam up?	could I be dam uping? could you be dam uping? could she be dam uping? could we be dam uping? could you be dam uping? could they be dam uping?
Perfect	V-ing perfect
could I have dam uped? could you have dam uped? could she have dam uped? could we have dam uped? could you have dam uped? could they have dam uped?	could I have been dam uping? could you have been dam uping? could she have been dam uping? could we have been dam uping? could you have been dam uping? could they have been dam uping?

Interro-negative form

Simple form	V-ing form
could I not dam up? could you not dam up? could she not dam up? could we not dam up? could you not dam up? could they not dam up?	could I not be dam uping? could you not be dam uping? could she not be dam uping? could we not be dam uping? could you not be dam uping? could they not be dam uping?
Perfect	V-ing perfect
could I not have dam uped? could you not have dam uped? could she not have dam uped? could we not have dam uped? could you not have dam uped? could they not have dam uped?	could I not have been dam uping? could you not have been dam uping? could she not have been dam uping? could we not have been dam uping? could you not have been dam uping? could they not have been dam uping?