could incise
Verbo regular: incise - incised- incised

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could incise
you could incise
he could incise
we could incise
you could incise
they could incise 	I could be incising
you could be incising
he could be incising
we could be incising
you could be incising
they could be incising	I could have incised
you could have incised
he could have incised
we could have incised
you could have incised
they could have incised	I could have been incising
you could have been incising
he could have been incising
we could have been incising
you could have been incising
they could have been incising	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't incise
you couldn't incise
he couldn't incise
we couldn't incise
you couldn't incise
they couldn't incise 	I couldn't be incising
you couldn't be incising
he couldn't be incising
we couldn't be incising
you couldn't be incising
they couldn't be incising	I couldn't have incised
you couldn't have incised
he couldn't have incised
we couldn't have incised
you couldn't have incised
they couldn't have incised	I couldn't have been incising
you couldn't have been incising
he couldn't have been incising
we couldn't have been incising
you couldn't have been incising
they couldn't have been incising	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I incise?
could you incise?
could he incise?
could we incise?
could you incise?
could they incise? 	could I be incising?
could you be incising?
could he be incising?
could we be incising?
could you be incising?
could they be incising? 	could I have incised?
could you have incised?
could he have incised?
could we have incised?
could you have incised?
could they have incised? 	could I have been incising?
could you have been incising?
could he have been incising?
could we have been incising?
could you have been incising?
could they have been incising? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I incise?
couldn't you incise?
couldn't he incise?
couldn't we incise?
couldn't you incise?
couldn't they incise? 	couldn't I be incising?
couldn't you be incising?
couldn't he be incising?
couldn't we be incising?
couldn't you be incising?
couldn't they be incising? 	couldn't I have incised?
couldn't you have incised?
couldn't he have incised?
couldn't we have incised?
couldn't you have incised?
couldn't they have incised? 	couldn't I have been incising?
couldn't you have been incising?
couldn't he have been incising?
couldn't we have been incising?
couldn't you have been incising?
couldn't they have been incising?