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 cannot datestamp you cannot datestamp she cannot datestamp we cannot datestamp you cannot datestamp they cannot datestamp	I cannot be datestamping you cannot be datestamping she cannot be datestamping we cannot be datestamping you cannot be datestamping they cannot be datestamping
Perfect	V-ing perfect
I cannot have datestamped you cannot have datestamped she cannot have datestamped we cannot have datestamped you cannot have datestamped they cannot have datestamped	I cannot have been datestamping you cannot have been datestamping she cannot have been datestamping we cannot have been datestamping you cannot have been datestamping they cannot 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 I not datestamp? can you not datestamp? can she not datestamp? can we not datestamp? can you not datestamp? can they not datestamp?	can I not be datestamping? can you not be datestamping? can she not be datestamping? can we not be datestamping? can you not be datestamping? can they not be datestamping?
Perfect	V-ing perfect
can I not have datestamped? can you not have datestamped? can she not have datestamped? can we not have datestamped? can you not have datestamped? can they not have datestamped?	can I not have been datestamping? can you not have been datestamping? can she not have been datestamping? can we not have been datestamping? can you not have been datestamping? can they not have been datestamping?