could fulgurate
Regular verb: fulgurate - fulgurated- fulgurated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could fulgurate
you could fulgurate
she could fulgurate
we could fulgurate
you could fulgurate
they could fulgurate 	I could be fulgurating
you could be fulgurating
she could be fulgurating
we could be fulgurating
you could be fulgurating
they could be fulgurating	I could have fulgurated
you could have fulgurated
she could have fulgurated
we could have fulgurated
you could have fulgurated
they could have fulgurated	I could have been fulgurating
you could have been fulgurating
she could have been fulgurating
we could have been fulgurating
you could have been fulgurating
they could have been fulgurating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not fulgurate
you could not fulgurate
she could not fulgurate
we could not fulgurate
you could not fulgurate
they could not fulgurate 	I could not be fulgurating
you could not be fulgurating
she could not be fulgurating
we could not be fulgurating
you could not be fulgurating
they could not be fulgurating	I could not have fulgurated
you could not have fulgurated
she could not have fulgurated
we could not have fulgurated
you could not have fulgurated
they could not have fulgurated	I could not have been fulgurating
you could not have been fulgurating
she could not have been fulgurating
we could not have been fulgurating
you could not have been fulgurating
they could not have been fulgurating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I fulgurate?
could you fulgurate?
could she fulgurate?
could we fulgurate?
could you fulgurate?
could they fulgurate? 	could I be fulgurating?
could you be fulgurating?
could she be fulgurating?
could we be fulgurating?
could you be fulgurating?
could they be fulgurating? 	could I have fulgurated?
could you have fulgurated?
could she have fulgurated?
could we have fulgurated?
could you have fulgurated?
could they have fulgurated? 	could I have been fulgurating?
could you have been fulgurating?
could she have been fulgurating?
could we have been fulgurating?
could you have been fulgurating?
could they have been fulgurating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not fulgurate?
could you not fulgurate?
could she not fulgurate?
could we not fulgurate?
could you not fulgurate?
could they not fulgurate? 	could I not be fulgurating?
could you not be fulgurating?
could she not be fulgurating?
could we not be fulgurating?
could you not be fulgurating?
could they not be fulgurating? 	could I not have fulgurated?
could you not have fulgurated?
could she not have fulgurated?
could we not have fulgurated?
could you not have fulgurated?
could they not have fulgurated? 	could I not have been fulgurating?
could you not have been fulgurating?
could she not have been fulgurating?
could we not have been fulgurating?
could you not have been fulgurating?
could they not have been fulgurating?