English verb conjugation COULD TITTER

Regular verb: titter - tittered - tittered

Affirmation

Simple form

I could titter
you could titter
he could titter
we could titter
you could titter
they could titter

V-ing form

I could be tittering
you could be tittering
he could be tittering
we could be tittering
you could be tittering
they could be tittering

Perfect

I could have tittered
you could have tittered
he could have tittered
we could have tittered
you could have tittered
they could have tittered

V-ing perfect

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

Negation

Simple form

I could not titter
you could not titter
he could not titter
we could not titter
you could not titter
they could not titter

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I titter?
could you titter?
could he titter?
could we titter?
could you titter?
could they titter?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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