could harmonize
Verbo regular: harmonize - harmonized- harmonized

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could harmonize
you could harmonize
he could harmonize
we could harmonize
you could harmonize
they could harmonize 	I could be harmonizing
you could be harmonizing
he could be harmonizing
we could be harmonizing
you could be harmonizing
they could be harmonizing	I could have harmonized
you could have harmonized
he could have harmonized
we could have harmonized
you could have harmonized
they could have harmonized	I could have been harmonizing
you could have been harmonizing
he could have been harmonizing
we could have been harmonizing
you could have been harmonizing
they could have been harmonizing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't harmonize
you couldn't harmonize
he couldn't harmonize
we couldn't harmonize
you couldn't harmonize
they couldn't harmonize 	I couldn't be harmonizing
you couldn't be harmonizing
he couldn't be harmonizing
we couldn't be harmonizing
you couldn't be harmonizing
they couldn't be harmonizing	I couldn't have harmonized
you couldn't have harmonized
he couldn't have harmonized
we couldn't have harmonized
you couldn't have harmonized
they couldn't have harmonized	I couldn't have been harmonizing
you couldn't have been harmonizing
he couldn't have been harmonizing
we couldn't have been harmonizing
you couldn't have been harmonizing
they couldn't have been harmonizing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I harmonize?
could you harmonize?
could he harmonize?
could we harmonize?
could you harmonize?
could they harmonize? 	could I be harmonizing?
could you be harmonizing?
could he be harmonizing?
could we be harmonizing?
could you be harmonizing?
could they be harmonizing? 	could I have harmonized?
could you have harmonized?
could he have harmonized?
could we have harmonized?
could you have harmonized?
could they have harmonized? 	could I have been harmonizing?
could you have been harmonizing?
could he have been harmonizing?
could we have been harmonizing?
could you have been harmonizing?
could they have been harmonizing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I harmonize?
couldn't you harmonize?
couldn't he harmonize?
couldn't we harmonize?
couldn't you harmonize?
couldn't they harmonize? 	couldn't I be harmonizing?
couldn't you be harmonizing?
couldn't he be harmonizing?
couldn't we be harmonizing?
couldn't you be harmonizing?
couldn't they be harmonizing? 	couldn't I have harmonized?
couldn't you have harmonized?
couldn't he have harmonized?
couldn't we have harmonized?
couldn't you have harmonized?
couldn't they have harmonized? 	couldn't I have been harmonizing?
couldn't you have been harmonizing?
couldn't he have been harmonizing?
couldn't we have been harmonizing?
couldn't you have been harmonizing?
couldn't they have been harmonizing?