could transilluminate
Regular verb: transilluminate - transilluminated- transilluminated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could transilluminate
you could transilluminate
he could transilluminate
we could transilluminate
you could transilluminate
they could transilluminate 	I could be transilluminating
you could be transilluminating
he could be transilluminating
we could be transilluminating
you could be transilluminating
they could be transilluminating	I could have transilluminated
you could have transilluminated
he could have transilluminated
we could have transilluminated
you could have transilluminated
they could have transilluminated	I could have been transilluminating
you could have been transilluminating
he could have been transilluminating
we could have been transilluminating
you could have been transilluminating
they could have been transilluminating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't transilluminate
you couldn't transilluminate
he couldn't transilluminate
we couldn't transilluminate
you couldn't transilluminate
they couldn't transilluminate 	I couldn't be transilluminating
you couldn't be transilluminating
he couldn't be transilluminating
we couldn't be transilluminating
you couldn't be transilluminating
they couldn't be transilluminating	I couldn't have transilluminated
you couldn't have transilluminated
he couldn't have transilluminated
we couldn't have transilluminated
you couldn't have transilluminated
they couldn't have transilluminated	I couldn't have been transilluminating
you couldn't have been transilluminating
he couldn't have been transilluminating
we couldn't have been transilluminating
you couldn't have been transilluminating
they couldn't have been transilluminating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I transilluminate?
could you transilluminate?
could he transilluminate?
could we transilluminate?
could you transilluminate?
could they transilluminate? 	could I be transilluminating?
could you be transilluminating?
could he be transilluminating?
could we be transilluminating?
could you be transilluminating?
could they be transilluminating? 	could I have transilluminated?
could you have transilluminated?
could he have transilluminated?
could we have transilluminated?
could you have transilluminated?
could they have transilluminated? 	could I have been transilluminating?
could you have been transilluminating?
could he have been transilluminating?
could we have been transilluminating?
could you have been transilluminating?
could they have been transilluminating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I transilluminate?
couldn't you transilluminate?
couldn't he transilluminate?
couldn't we transilluminate?
couldn't you transilluminate?
couldn't they transilluminate? 	couldn't I be transilluminating?
couldn't you be transilluminating?
couldn't he be transilluminating?
couldn't we be transilluminating?
couldn't you be transilluminating?
couldn't they be transilluminating? 	couldn't I have transilluminated?
couldn't you have transilluminated?
couldn't he have transilluminated?
couldn't we have transilluminated?
couldn't you have transilluminated?
couldn't they have transilluminated? 	couldn't I have been transilluminating?
couldn't you have been transilluminating?
couldn't he have been transilluminating?
couldn't we have been transilluminating?
couldn't you have been transilluminating?
couldn't they have been transilluminating?