English verb conjugation CAN FROWN

Regular verb: frown - frowned - frowned

Affirmation

Simple form

I can frown
you can frown
she can frown
we can frown
you can frown
they can frown

V-ing form

I can be frowning
you can be frowning
she can be frowning
we can be frowning
you can be frowning
they can be frowning

Perfect

I can have frowned
you can have frowned
she can have frowned
we can have frowned
you can have frowned
they can have frowned

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I frown?
can you frown?
can she frown?
can we frown?
can you frown?
can they frown?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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