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 couldn't shudder
you couldn't shudder
he couldn't shudder
we couldn't shudder
you couldn't shudder
they couldn't shudder

V-ing form

I couldn't be shuddering
you couldn't be shuddering
he couldn't be shuddering
we couldn't be shuddering
you couldn't be shuddering
they couldn't be shuddering

Perfect

I couldn't have shuddered
you couldn't have shuddered
he couldn't have shuddered
we couldn't have shuddered
you couldn't have shuddered
they couldn't have shuddered

V-ing perfect

I couldn't have been shuddering
you couldn't have been shuddering
he couldn't have been shuddering
we couldn't have been shuddering
you couldn't have been shuddering
they couldn't 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

couldn't I shudder?
couldn't you shudder?
couldn't he shudder?
couldn't we shudder?
couldn't you shudder?
couldn't they shudder?

V-ing form

couldn't I be shuddering?
couldn't you be shuddering?
couldn't he be shuddering?
couldn't we be shuddering?
couldn't you be shuddering?
couldn't they be shuddering?

Perfect

couldn't I have shuddered?
couldn't you have shuddered?
couldn't he have shuddered?
couldn't we have shuddered?
couldn't you have shuddered?
couldn't they have shuddered?

V-ing perfect

couldn't I have been shuddering?
couldn't you have been shuddering?
couldn't he have been shuddering?
couldn't we have been shuddering?
couldn't you have been shuddering?
couldn't they have been shuddering?

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