I could enthrall you could enthrall he could enthrall we could enthrall you could enthrall they could enthrall
V-ing form
I could be enthralling you could be enthralling he could be enthralling we could be enthralling you could be enthralling they could be enthralling
Perfect
I could have enthralled you could have enthralled he could have enthralled we could have enthralled you could have enthralled they could have enthralled
V-ing perfect
I could have been enthralling you could have been enthralling he could have been enthralling we could have been enthralling you could have been enthralling they could have been enthralling
Negation
Simple form
I couldn't enthrall you couldn't enthrall he couldn't enthrall we couldn't enthrall you couldn't enthrall they couldn't enthrall
V-ing form
I couldn't be enthralling you couldn't be enthralling he couldn't be enthralling we couldn't be enthralling you couldn't be enthralling they couldn't be enthralling
Perfect
I couldn't have enthralled you couldn't have enthralled he couldn't have enthralled we couldn't have enthralled you couldn't have enthralled they couldn't have enthralled
V-ing perfect
I couldn't have been enthralling you couldn't have been enthralling he couldn't have been enthralling we couldn't have been enthralling you couldn't have been enthralling they couldn't have been enthralling
Interrogative form
Simple form
could I enthrall? could you enthrall? could he enthrall? could we enthrall? could you enthrall? could they enthrall?
V-ing form
could I be enthralling? could you be enthralling? could he be enthralling? could we be enthralling? could you be enthralling? could they be enthralling?
Perfect
could I have enthralled? could you have enthralled? could he have enthralled? could we have enthralled? could you have enthralled? could they have enthralled?
V-ing perfect
could I have been enthralling? could you have been enthralling? could he have been enthralling? could we have been enthralling? could you have been enthralling? could they have been enthralling?
Interro-negative form
Simple form
couldn't I enthrall? couldn't you enthrall? couldn't he enthrall? couldn't we enthrall? couldn't you enthrall? couldn't they enthrall?
V-ing form
couldn't I be enthralling? couldn't you be enthralling? couldn't he be enthralling? couldn't we be enthralling? couldn't you be enthralling? couldn't they be enthralling?
Perfect
couldn't I have enthralled? couldn't you have enthralled? couldn't he have enthralled? couldn't we have enthralled? couldn't you have enthralled? couldn't they have enthralled?
V-ing perfect
couldn't I have been enthralling? couldn't you have been enthralling? couldn't he have been enthralling? couldn't we have been enthralling? couldn't you have been enthralling? couldn't they have been enthralling?