English verb conjugation CAN PEN

Regular verb: pen - penned - penned

Affirmation

Simple form

I can pen
you can pen
he can pen
we can pen
you can pen
they can pen

V-ing form

I can be penning
you can be penning
he can be penning
we can be penning
you can be penning
they can be penning

Perfect

I can have penned
you can have penned
he can have penned
we can have penned
you can have penned
they can have penned

V-ing perfect

I can have been penning
you can have been penning
he can have been penning
we can have been penning
you can have been penning
they can have been penning

Negation

Simple form

I can't pen
you can't pen
he can't pen
we can't pen
you can't pen
they can't pen

V-ing form

I can't be penning
you can't be penning
he can't be penning
we can't be penning
you can't be penning
they can't be penning

Perfect

I can't have penned
you can't have penned
he can't have penned
we can't have penned
you can't have penned
they can't have penned

V-ing perfect

I can't have been penning
you can't have been penning
he can't have been penning
we can't have been penning
you can't have been penning
they can't have been penning

Interrogative form

Simple form

can I pen?
can you pen?
can he pen?
can we pen?
can you pen?
can they pen?

V-ing form

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

Perfect

can I have penned?
can you have penned?
can he have penned?
can we have penned?
can you have penned?
can they have penned?

V-ing perfect

can I have been penning?
can you have been penning?
can he have been penning?
can we have been penning?
can you have been penning?
can they have been penning?

Interro-negative form

Simple form

can't I pen?
can't you pen?
can't he pen?
can't we pen?
can't you pen?
can't they pen?

V-ing form

can't I be penning?
can't you be penning?
can't he be penning?
can't we be penning?
can't you be penning?
can't they be penning?

Perfect

can't I have penned?
can't you have penned?
can't he have penned?
can't we have penned?
can't you have penned?
can't they have penned?

V-ing perfect

can't I have been penning?
can't you have been penning?
can't he have been penning?
can't we have been penning?
can't you have been penning?
can't they have been penning?

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