English verb conjugation
COULD FULGURATE

Regular verb: fulgurate - fulgurated - fulgurated

Affirmation

Simple form	V-ing form
I could fulgurate you could fulgurate he could fulgurate we could fulgurate you could fulgurate they could fulgurate	I could be fulgurating you could be fulgurating he could be fulgurating we could be fulgurating you could be fulgurating they could be fulgurating
Perfect	V-ing perfect
I could have fulgurated you could have fulgurated he 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 he 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
I couldn't fulgurate you couldn't fulgurate he 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 he couldn't be fulgurating we couldn't be fulgurating you couldn't be fulgurating they couldn't be fulgurating
Perfect	V-ing perfect
I couldn't have fulgurated you couldn't have fulgurated he 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 he couldn't have been fulgurating we couldn't have been fulgurating you couldn't have been fulgurating they couldn't have been fulgurating

Interrogative form

Simple form	V-ing form
could I fulgurate? could you fulgurate? could he fulgurate? could we fulgurate? could you fulgurate? could they fulgurate?	could I be fulgurating? could you be fulgurating? could he be fulgurating? could we be fulgurating? could you be fulgurating? could they be fulgurating?
Perfect	V-ing perfect
could I have fulgurated? could you have fulgurated? could he 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 he 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
couldn't I fulgurate? couldn't you fulgurate? couldn't he 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 he be fulgurating? couldn't we be fulgurating? couldn't you be fulgurating? couldn't they be fulgurating?
Perfect	V-ing perfect
couldn't I have fulgurated? couldn't you have fulgurated? couldn't he 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 he have been fulgurating? couldn't we have been fulgurating? couldn't you have been fulgurating? couldn't they have been fulgurating?