English verb conjugation COULD DAM

Regular verb: dam - dammed - dammed

Affirmation

Simple form

I could dam
you could dam
he could dam
we could dam
you could dam
they could dam

V-ing form

I could be damming
you could be damming
he could be damming
we could be damming
you could be damming
they could be damming

Perfect

I could have dammed
you could have dammed
he could have dammed
we could have dammed
you could have dammed
they could have dammed

V-ing perfect

I could have been damming
you could have been damming
he could have been damming
we could have been damming
you could have been damming
they could have been damming

Negation

Simple form

I could not dam
you could not dam
he could not dam
we could not dam
you could not dam
they could not dam

V-ing form

I could not be damming
you could not be damming
he could not be damming
we could not be damming
you could not be damming
they could not be damming

Perfect

I could not have dammed
you could not have dammed
he could not have dammed
we could not have dammed
you could not have dammed
they could not have dammed

V-ing perfect

I could not have been damming
you could not have been damming
he could not have been damming
we could not have been damming
you could not have been damming
they could not have been damming

Interrogative form

Simple form

could I dam?
could you dam?
could he dam?
could we dam?
could you dam?
could they dam?

V-ing form

could I be damming?
could you be damming?
could he be damming?
could we be damming?
could you be damming?
could they be damming?

Perfect

could I have dammed?
could you have dammed?
could he have dammed?
could we have dammed?
could you have dammed?
could they have dammed?

V-ing perfect

could I have been damming?
could you have been damming?
could he have been damming?
could we have been damming?
could you have been damming?
could they have been damming?

Interro-negative form

Simple form

could I not dam?
could you not dam?
could he not dam?
could we not dam?
could you not dam?
could they not dam?

V-ing form

could I not be damming?
could you not be damming?
could he not be damming?
could we not be damming?
could you not be damming?
could they not be damming?

Perfect

could I not have dammed?
could you not have dammed?
could he not have dammed?
could we not have dammed?
could you not have dammed?
could they not have dammed?

V-ing perfect

could I not have been damming?
could you not have been damming?
could he not have been damming?
could we not have been damming?
could you not have been damming?
could they not have been damming?

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