English verb conjugation COULD UNDERSEAL

Regular verb: underseal - undersealed - undersealed

Affirmation

Simple form

I could underseal
you could underseal
he could underseal
we could underseal
you could underseal
they could underseal

V-ing form

I could be undersealing
you could be undersealing
he could be undersealing
we could be undersealing
you could be undersealing
they could be undersealing

Perfect

I could have undersealed
you could have undersealed
he could have undersealed
we could have undersealed
you could have undersealed
they could have undersealed

V-ing perfect

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

Negation

Simple form

I could not underseal
you could not underseal
he could not underseal
we could not underseal
you could not underseal
they could not underseal

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I underseal?
could you underseal?
could he underseal?
could we underseal?
could you underseal?
could they underseal?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Page top