English verb conjugation
CAN DATESTAMP

Regular verb: datestamp - datestamped - datestamped

Affirmation

Simple form	V-ing form
I can datestamp you can datestamp she can datestamp we can datestamp you can datestamp they can datestamp	I can be datestamping you can be datestamping she can be datestamping we can be datestamping you can be datestamping they can be datestamping
Perfect	V-ing perfect
I can have datestamped you can have datestamped she can have datestamped we can have datestamped you can have datestamped they can have datestamped	I can have been datestamping you can have been datestamping she can have been datestamping we can have been datestamping you can have been datestamping they can have been datestamping

Negation

Simple form	V-ing form
I can't datestamp you can't datestamp she can't datestamp we can't datestamp you can't datestamp they can't datestamp	I can't be datestamping you can't be datestamping she can't be datestamping we can't be datestamping you can't be datestamping they can't be datestamping
Perfect	V-ing perfect
I can't have datestamped you can't have datestamped she can't have datestamped we can't have datestamped you can't have datestamped they can't have datestamped	I can't have been datestamping you can't have been datestamping she can't have been datestamping we can't have been datestamping you can't have been datestamping they can't have been datestamping

Interrogative form

Simple form	V-ing form
can I datestamp? can you datestamp? can she datestamp? can we datestamp? can you datestamp? can they datestamp?	can I be datestamping? can you be datestamping? can she be datestamping? can we be datestamping? can you be datestamping? can they be datestamping?
Perfect	V-ing perfect
can I have datestamped? can you have datestamped? can she have datestamped? can we have datestamped? can you have datestamped? can they have datestamped?	can I have been datestamping? can you have been datestamping? can she have been datestamping? can we have been datestamping? can you have been datestamping? can they have been datestamping?

Interro-negative form

Simple form	V-ing form
can't I datestamp? can't you datestamp? can't she datestamp? can't we datestamp? can't you datestamp? can't they datestamp?	can't I be datestamping? can't you be datestamping? can't she be datestamping? can't we be datestamping? can't you be datestamping? can't they be datestamping?
Perfect	V-ing perfect
can't I have datestamped? can't you have datestamped? can't she have datestamped? can't we have datestamped? can't you have datestamped? can't they have datestamped?	can't I have been datestamping? can't you have been datestamping? can't she have been datestamping? can't we have been datestamping? can't you have been datestamping? can't they have been datestamping?