English verb conjugation COULD QUAD

Regular verb: quad - quaded - quaded

Affirmation

Simple form

I could quad
you could quad
he could quad
we could quad
you could quad
they could quad

V-ing form

I could be quading
you could be quading
he could be quading
we could be quading
you could be quading
they could be quading

Perfect

I could have quaded
you could have quaded
he could have quaded
we could have quaded
you could have quaded
they could have quaded

V-ing perfect

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

Negation

Simple form

I couldn't quad
you couldn't quad
he couldn't quad
we couldn't quad
you couldn't quad
they couldn't quad

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I quad?
could you quad?
could he quad?
could we quad?
could you quad?
could they quad?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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