can illustrate
Regular verb: illustrate - illustrated- illustrated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can illustrate
you can illustrate
she can illustrate
we can illustrate
you can illustrate
they can illustrate 	I can be illustrating
you can be illustrating
she can be illustrating
we can be illustrating
you can be illustrating
they can be illustrating	I can have illustrated
you can have illustrated
she can have illustrated
we can have illustrated
you can have illustrated
they can have illustrated	I can have been illustrating
you can have been illustrating
she can have been illustrating
we can have been illustrating
you can have been illustrating
they can have been illustrating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't illustrate
you can't illustrate
she can't illustrate
we can't illustrate
you can't illustrate
they can't illustrate 	I can't be illustrating
you can't be illustrating
she can't be illustrating
we can't be illustrating
you can't be illustrating
they can't be illustrating	I can't have illustrated
you can't have illustrated
she can't have illustrated
we can't have illustrated
you can't have illustrated
they can't have illustrated	I can't have been illustrating
you can't have been illustrating
she can't have been illustrating
we can't have been illustrating
you can't have been illustrating
they can't have been illustrating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I illustrate?
can you illustrate?
can she illustrate?
can we illustrate?
can you illustrate?
can they illustrate? 	can I be illustrating?
can you be illustrating?
can she be illustrating?
can we be illustrating?
can you be illustrating?
can they be illustrating? 	can I have illustrated?
can you have illustrated?
can she have illustrated?
can we have illustrated?
can you have illustrated?
can they have illustrated? 	can I have been illustrating?
can you have been illustrating?
can she have been illustrating?
can we have been illustrating?
can you have been illustrating?
can they have been illustrating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I illustrate?
can't you illustrate?
can't she illustrate?
can't we illustrate?
can't you illustrate?
can't they illustrate? 	can't I be illustrating?
can't you be illustrating?
can't she be illustrating?
can't we be illustrating?
can't you be illustrating?
can't they be illustrating? 	can't I have illustrated?
can't you have illustrated?
can't she have illustrated?
can't we have illustrated?
can't you have illustrated?
can't they have illustrated? 	can't I have been illustrating?
can't you have been illustrating?
can't she have been illustrating?
can't we have been illustrating?
can't you have been illustrating?
can't they have been illustrating?