could fulgurate
Verbe régulier : fulgurate - fulgurated- fulgurated

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
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	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't fulgurate
you couldn't fulgurate
she couldn't fulgurate
we couldn't fulgurate
you couldn't fulgurate
they couldn't fulgurate 	I couldn't be fulgurating
you couldn't be fulgurating
she couldn't be fulgurating
we couldn't be fulgurating
you couldn't be fulgurating
they couldn't be fulgurating	I couldn't have fulgurated
you couldn't have fulgurated
she couldn't have fulgurated
we couldn't have fulgurated
you couldn't have fulgurated
they couldn't have fulgurated	I couldn't have been fulgurating
you couldn't have been fulgurating
she couldn't have been fulgurating
we couldn't have been fulgurating
you couldn't have been fulgurating
they couldn't have been fulgurating	

Forme interrogative 	
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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? 	

Forme interro-négative 	
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couldn't I fulgurate?
couldn't you fulgurate?
couldn't she fulgurate?
couldn't we fulgurate?
couldn't you fulgurate?
couldn't they fulgurate? 	couldn't I be fulgurating?
couldn't you be fulgurating?
couldn't she be fulgurating?
couldn't we be fulgurating?
couldn't you be fulgurating?
couldn't they be fulgurating? 	couldn't I have fulgurated?
couldn't you have fulgurated?
couldn't she have fulgurated?
couldn't we have fulgurated?
couldn't you have fulgurated?
couldn't they have fulgurated? 	couldn't I have been fulgurating?
couldn't you have been fulgurating?
couldn't she have been fulgurating?
couldn't we have been fulgurating?
couldn't you have been fulgurating?
couldn't they have been fulgurating?