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 cannot pen
you cannot pen
he cannot pen
we cannot pen
you cannot pen
they cannot pen

V-ing form

I cannot be penning
you cannot be penning
he cannot be penning
we cannot be penning
you cannot be penning
they cannot be penning

Perfect

I cannot have penned
you cannot have penned
he cannot have penned
we cannot have penned
you cannot have penned
they cannot have penned

V-ing perfect

I cannot have been penning
you cannot have been penning
he cannot have been penning
we cannot have been penning
you cannot have been penning
they cannot 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 I not pen?
can you not pen?
can he not pen?
can we not pen?
can you not pen?
can they not pen?

V-ing form

can I not be penning?
can you not be penning?
can he not be penning?
can we not be penning?
can you not be penning?
can they not be penning?

Perfect

can I not have penned?
can you not have penned?
can he not have penned?
can we not have penned?
can you not have penned?
can they not have penned?

V-ing perfect

can I not have been penning?
can you not have been penning?
can he not have been penning?
can we not have been penning?
can you not have been penning?
can they not have been penning?