could datestamp
Verbo regular: datestamp - datestamped- datestamped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could datestamp
you could datestamp
she could datestamp
we could datestamp
you could datestamp
they could datestamp 	I could be datestamping
you could be datestamping
she could be datestamping
we could be datestamping
you could be datestamping
they could be datestamping	I could have datestamped
you could have datestamped
she could have datestamped
we could have datestamped
you could have datestamped
they could have datestamped	I could have been datestamping
you could have been datestamping
she could have been datestamping
we could have been datestamping
you could have been datestamping
they could have been datestamping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't datestamp
you couldn't datestamp
she couldn't datestamp
we couldn't datestamp
you couldn't datestamp
they couldn't datestamp 	I couldn't be datestamping
you couldn't be datestamping
she couldn't be datestamping
we couldn't be datestamping
you couldn't be datestamping
they couldn't be datestamping	I couldn't have datestamped
you couldn't have datestamped
she couldn't have datestamped
we couldn't have datestamped
you couldn't have datestamped
they couldn't have datestamped	I couldn't have been datestamping
you couldn't have been datestamping
she couldn't have been datestamping
we couldn't have been datestamping
you couldn't have been datestamping
they couldn't have been datestamping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I datestamp?
could you datestamp?
could she datestamp?
could we datestamp?
could you datestamp?
could they datestamp? 	could I be datestamping?
could you be datestamping?
could she be datestamping?
could we be datestamping?
could you be datestamping?
could they be datestamping? 	could I have datestamped?
could you have datestamped?
could she have datestamped?
could we have datestamped?
could you have datestamped?
could they have datestamped? 	could I have been datestamping?
could you have been datestamping?
could she have been datestamping?
could we have been datestamping?
could you have been datestamping?
could they have been datestamping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I datestamp?
couldn't you datestamp?
couldn't she datestamp?
couldn't we datestamp?
couldn't you datestamp?
couldn't they datestamp? 	couldn't I be datestamping?
couldn't you be datestamping?
couldn't she be datestamping?
couldn't we be datestamping?
couldn't you be datestamping?
couldn't they be datestamping? 	couldn't I have datestamped?
couldn't you have datestamped?
couldn't she have datestamped?
couldn't we have datestamped?
couldn't you have datestamped?
couldn't they have datestamped? 	couldn't I have been datestamping?
couldn't you have been datestamping?
couldn't she have been datestamping?
couldn't we have been datestamping?
couldn't you have been datestamping?
couldn't they have been datestamping?