English verb conjugation COULD QUAVER

Regular verb: quaver - quavered - quavered

Affirmation

Simple form

I could quaver
you could quaver
she could quaver
we could quaver
you could quaver
they could quaver

V-ing form

I could be quavering
you could be quavering
she could be quavering
we could be quavering
you could be quavering
they could be quavering

Perfect

I could have quavered
you could have quavered
she could have quavered
we could have quavered
you could have quavered
they could have quavered

V-ing perfect

I could have been quavering
you could have been quavering
she could have been quavering
we could have been quavering
you could have been quavering
they could have been quavering

Negation

Simple form

I couldn't quaver
you couldn't quaver
she couldn't quaver
we couldn't quaver
you couldn't quaver
they couldn't quaver

V-ing form

I couldn't be quavering
you couldn't be quavering
she couldn't be quavering
we couldn't be quavering
you couldn't be quavering
they couldn't be quavering

Perfect

I couldn't have quavered
you couldn't have quavered
she couldn't have quavered
we couldn't have quavered
you couldn't have quavered
they couldn't have quavered

V-ing perfect

I couldn't have been quavering
you couldn't have been quavering
she couldn't have been quavering
we couldn't have been quavering
you couldn't have been quavering
they couldn't have been quavering

Interrogative form

Simple form

could I quaver?
could you quaver?
could she quaver?
could we quaver?
could you quaver?
could they quaver?

V-ing form

could I be quavering?
could you be quavering?
could she be quavering?
could we be quavering?
could you be quavering?
could they be quavering?

Perfect

could I have quavered?
could you have quavered?
could she have quavered?
could we have quavered?
could you have quavered?
could they have quavered?

V-ing perfect

could I have been quavering?
could you have been quavering?
could she have been quavering?
could we have been quavering?
could you have been quavering?
could they have been quavering?

Interro-negative form

Simple form

couldn't I quaver?
couldn't you quaver?
couldn't she quaver?
couldn't we quaver?
couldn't you quaver?
couldn't they quaver?

V-ing form

couldn't I be quavering?
couldn't you be quavering?
couldn't she be quavering?
couldn't we be quavering?
couldn't you be quavering?
couldn't they be quavering?

Perfect

couldn't I have quavered?
couldn't you have quavered?
couldn't she have quavered?
couldn't we have quavered?
couldn't you have quavered?
couldn't they have quavered?

V-ing perfect

couldn't I have been quavering?
couldn't you have been quavering?
couldn't she have been quavering?
couldn't we have been quavering?
couldn't you have been quavering?
couldn't they have been quavering?

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