English verb conjugation CAN FROWN

Regular verb: frown - frowned - frowned

Affirmation

Simple form

I can frown
you can frown
he can frown
we can frown
you can frown
they can frown

V-ing form

I can be frowning
you can be frowning
he can be frowning
we can be frowning
you can be frowning
they can be frowning

Perfect

I can have frowned
you can have frowned
he 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
he 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
he 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
he 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
he 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
he 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 he frown?
can we frown?
can you frown?
can they frown?

V-ing form

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

Perfect

can I have frowned?
can you have frowned?
can he 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 he 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 he 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 he 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 he 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 he 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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