can postmark
Verbo regular: postmark - postmarked- postmarked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can postmark
you can postmark
he can postmark
we can postmark
you can postmark
they can postmark 	I can be postmarking
you can be postmarking
he can be postmarking
we can be postmarking
you can be postmarking
they can be postmarking	I can have postmarked
you can have postmarked
he can have postmarked
we can have postmarked
you can have postmarked
they can have postmarked	I can have been postmarking
you can have been postmarking
he can have been postmarking
we can have been postmarking
you can have been postmarking
they can have been postmarking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot postmark
you cannot postmark
he cannot postmark
we cannot postmark
you cannot postmark
they cannot postmark 	I cannot be postmarking
you cannot be postmarking
he cannot be postmarking
we cannot be postmarking
you cannot be postmarking
they cannot be postmarking	I cannot have postmarked
you cannot have postmarked
he cannot have postmarked
we cannot have postmarked
you cannot have postmarked
they cannot have postmarked	I cannot have been postmarking
you cannot have been postmarking
he cannot have been postmarking
we cannot have been postmarking
you cannot have been postmarking
they cannot have been postmarking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I postmark?
can you postmark?
can he postmark?
can we postmark?
can you postmark?
can they postmark? 	can I be postmarking?
can you be postmarking?
can he be postmarking?
can we be postmarking?
can you be postmarking?
can they be postmarking? 	can I have postmarked?
can you have postmarked?
can he have postmarked?
can we have postmarked?
can you have postmarked?
can they have postmarked? 	can I have been postmarking?
can you have been postmarking?
can he have been postmarking?
can we have been postmarking?
can you have been postmarking?
can they have been postmarking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not postmark?
can you not postmark?
can he not postmark?
can we not postmark?
can you not postmark?
can they not postmark? 	can I not be postmarking?
can you not be postmarking?
can he not be postmarking?
can we not be postmarking?
can you not be postmarking?
can they not be postmarking? 	can I not have postmarked?
can you not have postmarked?
can he not have postmarked?
can we not have postmarked?
can you not have postmarked?
can they not have postmarked? 	can I not have been postmarking?
can you not have been postmarking?
can he not have been postmarking?
can we not have been postmarking?
can you not have been postmarking?
can they not have been postmarking?