English verb conjugation COULD TREMBLE

Regular verb: tremble - trembled - trembled

Affirmation

Simple form

I could tremble
you could tremble
he could tremble
we could tremble
you could tremble
they could tremble

V-ing form

I could be trembling
you could be trembling
he could be trembling
we could be trembling
you could be trembling
they could be trembling

Perfect

I could have trembled
you could have trembled
he could have trembled
we could have trembled
you could have trembled
they could have trembled

V-ing perfect

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

Negation

Simple form

I could not tremble
you could not tremble
he could not tremble
we could not tremble
you could not tremble
they could not tremble

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tremble?
could you tremble?
could he tremble?
could we tremble?
could you tremble?
could they tremble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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