English verb conjugation COULD STALL

Regular verb: stall - stalled - stalled

Affirmation

Simple form

I could stall
you could stall
he could stall
we could stall
you could stall
they could stall

V-ing form

I could be stalling
you could be stalling
he could be stalling
we could be stalling
you could be stalling
they could be stalling

Perfect

I could have stalled
you could have stalled
he could have stalled
we could have stalled
you could have stalled
they could have stalled

V-ing perfect

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

Negation

Simple form

I could not stall
you could not stall
he could not stall
we could not stall
you could not stall
they could not stall

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I stall?
could you stall?
could he stall?
could we stall?
could you stall?
could they stall?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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