English verb conjugation CAN POSTMARK

Regular verb: postmark - postmarked - postmarked

Affirmation

Simple form

I can postmark
you can postmark
he can postmark
we can postmark
you can postmark
they can postmark

V-ing form

I can be postmarking
you can be postmarking
he can be postmarking
we can be postmarking
you can be postmarking
they can be postmarking

Perfect

I can have postmarked
you can have postmarked
he can have postmarked
we can have postmarked
you can have postmarked
they can have postmarked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

can I postmark?
can you postmark?
can he postmark?
can we postmark?
can you postmark?
can they postmark?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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