English verb conjugation COULD HALLMARK

Regular verb: hallmark - hallmarked - hallmarked

Affirmation

Simple form

I could hallmark
you could hallmark
he could hallmark
we could hallmark
you could hallmark
they could hallmark

V-ing form

I could be hallmarking
you could be hallmarking
he could be hallmarking
we could be hallmarking
you could be hallmarking
they could be hallmarking

Perfect

I could have hallmarked
you could have hallmarked
he could have hallmarked
we could have hallmarked
you could have hallmarked
they could have hallmarked

V-ing perfect

I could have been hallmarking
you could have been hallmarking
he could have been hallmarking
we could have been hallmarking
you could have been hallmarking
they could have been hallmarking

Negation

Simple form

I could not hallmark
you could not hallmark
he could not hallmark
we could not hallmark
you could not hallmark
they could not hallmark

V-ing form

I could not be hallmarking
you could not be hallmarking
he could not be hallmarking
we could not be hallmarking
you could not be hallmarking
they could not be hallmarking

Perfect

I could not have hallmarked
you could not have hallmarked
he could not have hallmarked
we could not have hallmarked
you could not have hallmarked
they could not have hallmarked

V-ing perfect

I could not have been hallmarking
you could not have been hallmarking
he could not have been hallmarking
we could not have been hallmarking
you could not have been hallmarking
they could not have been hallmarking

Interrogative form

Simple form

could I hallmark?
could you hallmark?
could he hallmark?
could we hallmark?
could you hallmark?
could they hallmark?

V-ing form

could I be hallmarking?
could you be hallmarking?
could he be hallmarking?
could we be hallmarking?
could you be hallmarking?
could they be hallmarking?

Perfect

could I have hallmarked?
could you have hallmarked?
could he have hallmarked?
could we have hallmarked?
could you have hallmarked?
could they have hallmarked?

V-ing perfect

could I have been hallmarking?
could you have been hallmarking?
could he have been hallmarking?
could we have been hallmarking?
could you have been hallmarking?
could they have been hallmarking?

Interro-negative form

Simple form

could I not hallmark?
could you not hallmark?
could he not hallmark?
could we not hallmark?
could you not hallmark?
could they not hallmark?

V-ing form

could I not be hallmarking?
could you not be hallmarking?
could he not be hallmarking?
could we not be hallmarking?
could you not be hallmarking?
could they not be hallmarking?

Perfect

could I not have hallmarked?
could you not have hallmarked?
could he not have hallmarked?
could we not have hallmarked?
could you not have hallmarked?
could they not have hallmarked?

V-ing perfect

could I not have been hallmarking?
could you not have been hallmarking?
could he not have been hallmarking?
could we not have been hallmarking?
could you not have been hallmarking?
could they not have been hallmarking?

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