English verb conjugation COULD DATESTAMP

Regular verb: datestamp - datestamped - datestamped

Affirmation

Simple form

I could datestamp
you could datestamp
he could datestamp
we could datestamp
you could datestamp
they could datestamp

V-ing form

I could be datestamping
you could be datestamping
he could be datestamping
we could be datestamping
you could be datestamping
they could be datestamping

Perfect

I could have datestamped
you could have datestamped
he could have datestamped
we could have datestamped
you could have datestamped
they could have datestamped

V-ing perfect

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

Negation

Simple form

I couldn't datestamp
you couldn't datestamp
he couldn't datestamp
we couldn't datestamp
you couldn't datestamp
they couldn't datestamp

V-ing form

I couldn't be datestamping
you couldn't be datestamping
he couldn't be datestamping
we couldn't be datestamping
you couldn't be datestamping
they couldn't be datestamping

Perfect

I couldn't have datestamped
you couldn't have datestamped
he couldn't have datestamped
we couldn't have datestamped
you couldn't have datestamped
they couldn't have datestamped

V-ing perfect

I couldn't have been datestamping
you couldn't have been datestamping
he couldn't have been datestamping
we couldn't have been datestamping
you couldn't have been datestamping
they couldn't have been datestamping

Interrogative form

Simple form

could I datestamp?
could you datestamp?
could he datestamp?
could we datestamp?
could you datestamp?
could they datestamp?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I datestamp?
couldn't you datestamp?
couldn't he datestamp?
couldn't we datestamp?
couldn't you datestamp?
couldn't they datestamp?

V-ing form

couldn't I be datestamping?
couldn't you be datestamping?
couldn't he be datestamping?
couldn't we be datestamping?
couldn't you be datestamping?
couldn't they be datestamping?

Perfect

couldn't I have datestamped?
couldn't you have datestamped?
couldn't he have datestamped?
couldn't we have datestamped?
couldn't you have datestamped?
couldn't they have datestamped?

V-ing perfect

couldn't I have been datestamping?
couldn't you have been datestamping?
couldn't he have been datestamping?
couldn't we have been datestamping?
couldn't you have been datestamping?
couldn't they have been datestamping?

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