could clear
Verbo regular: clear - cleared- cleared

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could clear
you could clear
he could clear
we could clear
you could clear
they could clear 	I could be clearing
you could be clearing
he could be clearing
we could be clearing
you could be clearing
they could be clearing	I could have cleared
you could have cleared
he could have cleared
we could have cleared
you could have cleared
they could have cleared	I could have been clearing
you could have been clearing
he could have been clearing
we could have been clearing
you could have been clearing
they could have been clearing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't clear
you couldn't clear
he couldn't clear
we couldn't clear
you couldn't clear
they couldn't clear 	I couldn't be clearing
you couldn't be clearing
he couldn't be clearing
we couldn't be clearing
you couldn't be clearing
they couldn't be clearing	I couldn't have cleared
you couldn't have cleared
he couldn't have cleared
we couldn't have cleared
you couldn't have cleared
they couldn't have cleared	I couldn't have been clearing
you couldn't have been clearing
he couldn't have been clearing
we couldn't have been clearing
you couldn't have been clearing
they couldn't have been clearing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I clear?
could you clear?
could he clear?
could we clear?
could you clear?
could they clear? 	could I be clearing?
could you be clearing?
could he be clearing?
could we be clearing?
could you be clearing?
could they be clearing? 	could I have cleared?
could you have cleared?
could he have cleared?
could we have cleared?
could you have cleared?
could they have cleared? 	could I have been clearing?
could you have been clearing?
could he have been clearing?
could we have been clearing?
could you have been clearing?
could they have been clearing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I clear?
couldn't you clear?
couldn't he clear?
couldn't we clear?
couldn't you clear?
couldn't they clear? 	couldn't I be clearing?
couldn't you be clearing?
couldn't he be clearing?
couldn't we be clearing?
couldn't you be clearing?
couldn't they be clearing? 	couldn't I have cleared?
couldn't you have cleared?
couldn't he have cleared?
couldn't we have cleared?
couldn't you have cleared?
couldn't they have cleared? 	couldn't I have been clearing?
couldn't you have been clearing?
couldn't he have been clearing?
couldn't we have been clearing?
couldn't you have been clearing?
couldn't they have been clearing?