could hallmark
Verbo regular: hallmark - hallmarked- hallmarked

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could hallmark
you could hallmark
he could hallmark
we could hallmark
you could hallmark
they could hallmark 	I could be hallmarking
you could be hallmarking
he could be hallmarking
we could be hallmarking
you could be hallmarking
they could be hallmarking	I could have hallmarked
you could have hallmarked
he could have hallmarked
we could have hallmarked
you could have hallmarked
they could have hallmarked	I could have been hallmarking
you could have been hallmarking
he could have been hallmarking
we could have been hallmarking
you could have been hallmarking
they could have been hallmarking	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not hallmark
you could not hallmark
he could not hallmark
we could not hallmark
you could not hallmark
they could not hallmark 	I could not be hallmarking
you could not be hallmarking
he could not be hallmarking
we could not be hallmarking
you could not be hallmarking
they could not be hallmarking	I could not have hallmarked
you could not have hallmarked
he could not have hallmarked
we could not have hallmarked
you could not have hallmarked
they could not have hallmarked	I could not have been hallmarking
you could not have been hallmarking
he could not have been hallmarking
we could not have been hallmarking
you could not have been hallmarking
they could not have been hallmarking	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I hallmark?
could you hallmark?
could he hallmark?
could we hallmark?
could you hallmark?
could they hallmark? 	could I be hallmarking?
could you be hallmarking?
could he be hallmarking?
could we be hallmarking?
could you be hallmarking?
could they be hallmarking? 	could I have hallmarked?
could you have hallmarked?
could he have hallmarked?
could we have hallmarked?
could you have hallmarked?
could they have hallmarked? 	could I have been hallmarking?
could you have been hallmarking?
could he have been hallmarking?
could we have been hallmarking?
could you have been hallmarking?
could they have been hallmarking? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not hallmark?
could you not hallmark?
could he not hallmark?
could we not hallmark?
could you not hallmark?
could they not hallmark? 	could I not be hallmarking?
could you not be hallmarking?
could he not be hallmarking?
could we not be hallmarking?
could you not be hallmarking?
could they not be hallmarking? 	could I not have hallmarked?
could you not have hallmarked?
could he not have hallmarked?
could we not have hallmarked?
could you not have hallmarked?
could they not have hallmarked? 	could I not have been hallmarking?
could you not have been hallmarking?
could he not have been hallmarking?
could we not have been hallmarking?
could you not have been hallmarking?
could they not have been hallmarking?