I could fascinate you could fascinate she could fascinate we could fascinate you could fascinate they could fascinate
V-ing form
I could be fascinating you could be fascinating she could be fascinating we could be fascinating you could be fascinating they could be fascinating
Perfect
I could have fascinated you could have fascinated she could have fascinated we could have fascinated you could have fascinated they could have fascinated
V-ing perfect
I could have been fascinating you could have been fascinating she could have been fascinating we could have been fascinating you could have been fascinating they could have been fascinating
Negation
Simple form
I could not fascinate you could not fascinate she could not fascinate we could not fascinate you could not fascinate they could not fascinate
V-ing form
I could not be fascinating you could not be fascinating she could not be fascinating we could not be fascinating you could not be fascinating they could not be fascinating
Perfect
I could not have fascinated you could not have fascinated she could not have fascinated we could not have fascinated you could not have fascinated they could not have fascinated
V-ing perfect
I could not have been fascinating you could not have been fascinating she could not have been fascinating we could not have been fascinating you could not have been fascinating they could not have been fascinating
Interrogative form
Simple form
could I fascinate? could you fascinate? could she fascinate? could we fascinate? could you fascinate? could they fascinate?
V-ing form
could I be fascinating? could you be fascinating? could she be fascinating? could we be fascinating? could you be fascinating? could they be fascinating?
Perfect
could I have fascinated? could you have fascinated? could she have fascinated? could we have fascinated? could you have fascinated? could they have fascinated?
V-ing perfect
could I have been fascinating? could you have been fascinating? could she have been fascinating? could we have been fascinating? could you have been fascinating? could they have been fascinating?
Interro-negative form
Simple form
could I not fascinate? could you not fascinate? could she not fascinate? could we not fascinate? could you not fascinate? could they not fascinate?
V-ing form
could I not be fascinating? could you not be fascinating? could she not be fascinating? could we not be fascinating? could you not be fascinating? could they not be fascinating?
Perfect
could I not have fascinated? could you not have fascinated? could she not have fascinated? could we not have fascinated? could you not have fascinated? could they not have fascinated?
V-ing perfect
could I not have been fascinating? could you not have been fascinating? could she not have been fascinating? could we not have been fascinating? could you not have been fascinating? could they not have been fascinating?