English verb conjugation COULD EXPAND STH

Regular verb: expand sth - expand sthed - expand sthed

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form

I could expand sth
you could expand sth
he could expand sth
we could expand sth
you could expand sth
they could expand sth

V-ing form

I could be expand sthing
you could be expand sthing
he could be expand sthing
we could be expand sthing
you could be expand sthing
they could be expand sthing

Perfect

I could have expand sthed
you could have expand sthed
he could have expand sthed
we could have expand sthed
you could have expand sthed
they could have expand sthed

V-ing perfect

I could have been expand sthing
you could have been expand sthing
he could have been expand sthing
we could have been expand sthing
you could have been expand sthing
they could have been expand sthing

Negation

Simple form

I could not expand sth
you could not expand sth
he could not expand sth
we could not expand sth
you could not expand sth
they could not expand sth

V-ing form

I could not be expand sthing
you could not be expand sthing
he could not be expand sthing
we could not be expand sthing
you could not be expand sthing
they could not be expand sthing

Perfect

I could not have expand sthed
you could not have expand sthed
he could not have expand sthed
we could not have expand sthed
you could not have expand sthed
they could not have expand sthed

V-ing perfect

I could not have been expand sthing
you could not have been expand sthing
he could not have been expand sthing
we could not have been expand sthing
you could not have been expand sthing
they could not have been expand sthing

Interrogative form

Simple form

could I expand sth?
could you expand sth?
could he expand sth?
could we expand sth?
could you expand sth?
could they expand sth?

V-ing form

could I be expand sthing?
could you be expand sthing?
could he be expand sthing?
could we be expand sthing?
could you be expand sthing?
could they be expand sthing?

Perfect

could I have expand sthed?
could you have expand sthed?
could he have expand sthed?
could we have expand sthed?
could you have expand sthed?
could they have expand sthed?

V-ing perfect

could I have been expand sthing?
could you have been expand sthing?
could he have been expand sthing?
could we have been expand sthing?
could you have been expand sthing?
could they have been expand sthing?

Interro-negative form

Simple form

could I not expand sth?
could you not expand sth?
could he not expand sth?
could we not expand sth?
could you not expand sth?
could they not expand sth?

V-ing form

could I not be expand sthing?
could you not be expand sthing?
could he not be expand sthing?
could we not be expand sthing?
could you not be expand sthing?
could they not be expand sthing?

Perfect

could I not have expand sthed?
could you not have expand sthed?
could he not have expand sthed?
could we not have expand sthed?
could you not have expand sthed?
could they not have expand sthed?

V-ing perfect

could I not have been expand sthing?
could you not have been expand sthing?
could he not have been expand sthing?
could we not have been expand sthing?
could you not have been expand sthing?
could they not have been expand sthing?

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