English verb conjugation COULD FIRM

Regular verb: firm - firmed - firmed

Affirmation

Simple form

I could firm
you could firm
she could firm
we could firm
you could firm
they could firm

V-ing form

I could be firming
you could be firming
she could be firming
we could be firming
you could be firming
they could be firming

Perfect

I could have firmed
you could have firmed
she could have firmed
we could have firmed
you could have firmed
they could have firmed

V-ing perfect

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

Negation

Simple form

I could not firm
you could not firm
she could not firm
we could not firm
you could not firm
they could not firm

V-ing form

I could not be firming
you could not be firming
she could not be firming
we could not be firming
you could not be firming
they could not be firming

Perfect

I could not have firmed
you could not have firmed
she could not have firmed
we could not have firmed
you could not have firmed
they could not have firmed

V-ing perfect

I could not have been firming
you could not have been firming
she could not have been firming
we could not have been firming
you could not have been firming
they could not have been firming

Interrogative form

Simple form

could I firm?
could you firm?
could she firm?
could we firm?
could you firm?
could they firm?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not firm?
could you not firm?
could she not firm?
could we not firm?
could you not firm?
could they not firm?

V-ing form

could I not be firming?
could you not be firming?
could she not be firming?
could we not be firming?
could you not be firming?
could they not be firming?

Perfect

could I not have firmed?
could you not have firmed?
could she not have firmed?
could we not have firmed?
could you not have firmed?
could they not have firmed?

V-ing perfect

could I not have been firming?
could you not have been firming?
could she not have been firming?
could we not have been firming?
could you not have been firming?
could they not have been firming?

Page top