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 can't postmark
you can't postmark
he can't postmark
we can't postmark
you can't postmark
they can't postmark 	I can't be postmarking
you can't be postmarking
he can't be postmarking
we can't be postmarking
you can't be postmarking
they can't be postmarking	I can't have postmarked
you can't have postmarked
he can't have postmarked
we can't have postmarked
you can't have postmarked
they can't have postmarked	I can't have been postmarking
you can't have been postmarking
he can't have been postmarking
we can't have been postmarking
you can't have been postmarking
they can't 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't I postmark?
can't you postmark?
can't he postmark?
can't we postmark?
can't you postmark?
can't they postmark? 	can't I be postmarking?
can't you be postmarking?
can't he be postmarking?
can't we be postmarking?
can't you be postmarking?
can't they be postmarking? 	can't I have postmarked?
can't you have postmarked?
can't he have postmarked?
can't we have postmarked?
can't you have postmarked?
can't they have postmarked? 	can't I have been postmarking?
can't you have been postmarking?
can't he have been postmarking?
can't we have been postmarking?
can't you have been postmarking?
can't they have been postmarking?