English verb conjugation CAN FIRM

Regular verb: firm - firmed - firmed

Affirmation

Simple form

I can firm
you can firm
she can firm
we can firm
you can firm
they can firm

V-ing form

I can be firming
you can be firming
she can be firming
we can be firming
you can be firming
they can be firming

Perfect

I can have firmed
you can have firmed
she can have firmed
we can have firmed
you can have firmed
they can have firmed

V-ing perfect

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

Negation

Simple form

I can't firm
you can't firm
she can't firm
we can't firm
you can't firm
they can't firm

V-ing form

I can't be firming
you can't be firming
she can't be firming
we can't be firming
you can't be firming
they can't be firming

Perfect

I can't have firmed
you can't have firmed
she can't have firmed
we can't have firmed
you can't have firmed
they can't have firmed

V-ing perfect

I can't have been firming
you can't have been firming
she can't have been firming
we can't have been firming
you can't have been firming
they can't have been firming

Interrogative form

Simple form

can I firm?
can you firm?
can she firm?
can we firm?
can you firm?
can they firm?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I firm?
can't you firm?
can't she firm?
can't we firm?
can't you firm?
can't they firm?

V-ing form

can't I be firming?
can't you be firming?
can't she be firming?
can't we be firming?
can't you be firming?
can't they be firming?

Perfect

can't I have firmed?
can't you have firmed?
can't she have firmed?
can't we have firmed?
can't you have firmed?
can't they have firmed?

V-ing perfect

can't I have been firming?
can't you have been firming?
can't she have been firming?
can't we have been firming?
can't you have been firming?
can't they have been firming?

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