English verb conjugation COULD UNDERSTOCK

Regular verb: understock - understocked - understocked

Affirmation

Simple form

I could understock
you could understock
he could understock
we could understock
you could understock
they could understock

V-ing form

I could be understocking
you could be understocking
he could be understocking
we could be understocking
you could be understocking
they could be understocking

Perfect

I could have understocked
you could have understocked
he could have understocked
we could have understocked
you could have understocked
they could have understocked

V-ing perfect

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

Negation

Simple form

I could not understock
you could not understock
he could not understock
we could not understock
you could not understock
they could not understock

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I understock?
could you understock?
could he understock?
could we understock?
could you understock?
could they understock?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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