could illustrate
Verbo regolare: illustrate - illustrated- illustrated

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could illustrate
you could illustrate
he could illustrate
we could illustrate
you could illustrate
they could illustrate 	I could be illustrating
you could be illustrating
he could be illustrating
we could be illustrating
you could be illustrating
they could be illustrating	I could have illustrated
you could have illustrated
he could have illustrated
we could have illustrated
you could have illustrated
they could have illustrated	I could have been illustrating
you could have been illustrating
he could have been illustrating
we could have been illustrating
you could have been illustrating
they could have been illustrating	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't illustrate
you couldn't illustrate
he couldn't illustrate
we couldn't illustrate
you couldn't illustrate
they couldn't illustrate 	I couldn't be illustrating
you couldn't be illustrating
he couldn't be illustrating
we couldn't be illustrating
you couldn't be illustrating
they couldn't be illustrating	I couldn't have illustrated
you couldn't have illustrated
he couldn't have illustrated
we couldn't have illustrated
you couldn't have illustrated
they couldn't have illustrated	I couldn't have been illustrating
you couldn't have been illustrating
he couldn't have been illustrating
we couldn't have been illustrating
you couldn't have been illustrating
they couldn't have been illustrating	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I illustrate?
could you illustrate?
could he illustrate?
could we illustrate?
could you illustrate?
could they illustrate? 	could I be illustrating?
could you be illustrating?
could he be illustrating?
could we be illustrating?
could you be illustrating?
could they be illustrating? 	could I have illustrated?
could you have illustrated?
could he have illustrated?
could we have illustrated?
could you have illustrated?
could they have illustrated? 	could I have been illustrating?
could you have been illustrating?
could he have been illustrating?
could we have been illustrating?
could you have been illustrating?
could they have been illustrating? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I illustrate?
couldn't you illustrate?
couldn't he illustrate?
couldn't we illustrate?
couldn't you illustrate?
couldn't they illustrate? 	couldn't I be illustrating?
couldn't you be illustrating?
couldn't he be illustrating?
couldn't we be illustrating?
couldn't you be illustrating?
couldn't they be illustrating? 	couldn't I have illustrated?
couldn't you have illustrated?
couldn't he have illustrated?
couldn't we have illustrated?
couldn't you have illustrated?
couldn't they have illustrated? 	couldn't I have been illustrating?
couldn't you have been illustrating?
couldn't he have been illustrating?
couldn't we have been illustrating?
couldn't you have been illustrating?
couldn't they have been illustrating?