English verb conjugation CAN POSTMARK

Regular verb: postmark - postmarked - postmarked

Affirmation

Simple form

I can postmark
you can postmark
she can postmark
we can postmark
you can postmark
they can postmark

V-ing form

I can be postmarking
you can be postmarking
she can be postmarking
we can be postmarking
you can be postmarking
they can be postmarking

Perfect

I can have postmarked
you can have postmarked
she 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
she can have been postmarking
we can have been postmarking
you can have been postmarking
they can have been postmarking

Negation

Simple form

I cannot postmark
you cannot postmark
she cannot postmark
we cannot postmark
you cannot postmark
they cannot postmark

V-ing form

I cannot be postmarking
you cannot be postmarking
she cannot be postmarking
we cannot be postmarking
you cannot be postmarking
they cannot be postmarking

Perfect

I cannot have postmarked
you cannot have postmarked
she cannot have postmarked
we cannot have postmarked
you cannot have postmarked
they cannot have postmarked

V-ing perfect

I cannot have been postmarking
you cannot have been postmarking
she cannot have been postmarking
we cannot have been postmarking
you cannot have been postmarking
they cannot have been postmarking

Interrogative form

Simple form

can I postmark?
can you postmark?
can she postmark?
can we postmark?
can you postmark?
can they postmark?

V-ing form

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

Perfect

can I have postmarked?
can you have postmarked?
can she 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 she have been postmarking?
can we have been postmarking?
can you have been postmarking?
can they have been postmarking?

Interro-negative form

Simple form

can I not postmark?
can you not postmark?
can she not postmark?
can we not postmark?
can you not postmark?
can they not postmark?

V-ing form

can I not be postmarking?
can you not be postmarking?
can she not be postmarking?
can we not be postmarking?
can you not be postmarking?
can they not be postmarking?

Perfect

can I not have postmarked?
can you not have postmarked?
can she not have postmarked?
can we not have postmarked?
can you not have postmarked?
can they not have postmarked?

V-ing perfect

can I not have been postmarking?
can you not have been postmarking?
can she not have been postmarking?
can we not have been postmarking?
can you not have been postmarking?
can they not have been postmarking?

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