English verb conjugation COULD SHUDDER

Regular verb: shudder - shuddered - shuddered

Affirmation

Simple form

I could shudder
you could shudder
he could shudder
we could shudder
you could shudder
they could shudder

V-ing form

I could be shuddering
you could be shuddering
he could be shuddering
we could be shuddering
you could be shuddering
they could be shuddering

Perfect

I could have shuddered
you could have shuddered
he could have shuddered
we could have shuddered
you could have shuddered
they could have shuddered

V-ing perfect

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

Negation

Simple form

I could not shudder
you could not shudder
he could not shudder
we could not shudder
you could not shudder
they could not shudder

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I shudder?
could you shudder?
could he shudder?
could we shudder?
could you shudder?
could they shudder?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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