English verb conjugation COULD JITTER

Regular verb: jitter - jittered - jittered

Affirmation

Simple form

I could jitter
you could jitter
he could jitter
we could jitter
you could jitter
they could jitter

V-ing form

I could be jittering
you could be jittering
he could be jittering
we could be jittering
you could be jittering
they could be jittering

Perfect

I could have jittered
you could have jittered
he could have jittered
we could have jittered
you could have jittered
they could have jittered

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I jitter?
could you jitter?
could he jitter?
could we jitter?
could you jitter?
could they jitter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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