could hallmark
Verbo regular: hallmark - hallmarked- hallmarked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't hallmark
you couldn't hallmark
he couldn't hallmark
we couldn't hallmark
you couldn't hallmark
they couldn't hallmark 	I couldn't be hallmarking
you couldn't be hallmarking
he couldn't be hallmarking
we couldn't be hallmarking
you couldn't be hallmarking
they couldn't be hallmarking	I couldn't have hallmarked
you couldn't have hallmarked
he couldn't have hallmarked
we couldn't have hallmarked
you couldn't have hallmarked
they couldn't have hallmarked	I couldn't have been hallmarking
you couldn't have been hallmarking
he couldn't have been hallmarking
we couldn't have been hallmarking
you couldn't have been hallmarking
they couldn't have been hallmarking	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con 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-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I hallmark?
couldn't you hallmark?
couldn't he hallmark?
couldn't we hallmark?
couldn't you hallmark?
couldn't they hallmark? 	couldn't I be hallmarking?
couldn't you be hallmarking?
couldn't he be hallmarking?
couldn't we be hallmarking?
couldn't you be hallmarking?
couldn't they be hallmarking? 	couldn't I have hallmarked?
couldn't you have hallmarked?
couldn't he have hallmarked?
couldn't we have hallmarked?
couldn't you have hallmarked?
couldn't they have hallmarked? 	couldn't I have been hallmarking?
couldn't you have been hallmarking?
couldn't he have been hallmarking?
couldn't we have been hallmarking?
couldn't you have been hallmarking?
couldn't they have been hallmarking?