I could intercept you could intercept she could intercept we could intercept you could intercept they could intercept
V-ing form
I could be intercepting you could be intercepting she could be intercepting we could be intercepting you could be intercepting they could be intercepting
Perfect
I could have intercepted you could have intercepted she could have intercepted we could have intercepted you could have intercepted they could have intercepted
V-ing perfect
I could have been intercepting you could have been intercepting she could have been intercepting we could have been intercepting you could have been intercepting they could have been intercepting
Negation
Simple form
I could not intercept you could not intercept she could not intercept we could not intercept you could not intercept they could not intercept
V-ing form
I could not be intercepting you could not be intercepting she could not be intercepting we could not be intercepting you could not be intercepting they could not be intercepting
Perfect
I could not have intercepted you could not have intercepted she could not have intercepted we could not have intercepted you could not have intercepted they could not have intercepted
V-ing perfect
I could not have been intercepting you could not have been intercepting she could not have been intercepting we could not have been intercepting you could not have been intercepting they could not have been intercepting
Interrogative form
Simple form
could I intercept? could you intercept? could she intercept? could we intercept? could you intercept? could they intercept?
V-ing form
could I be intercepting? could you be intercepting? could she be intercepting? could we be intercepting? could you be intercepting? could they be intercepting?
Perfect
could I have intercepted? could you have intercepted? could she have intercepted? could we have intercepted? could you have intercepted? could they have intercepted?
V-ing perfect
could I have been intercepting? could you have been intercepting? could she have been intercepting? could we have been intercepting? could you have been intercepting? could they have been intercepting?
Interro-negative form
Simple form
could I not intercept? could you not intercept? could she not intercept? could we not intercept? could you not intercept? could they not intercept?
V-ing form
could I not be intercepting? could you not be intercepting? could she not be intercepting? could we not be intercepting? could you not be intercepting? could they not be intercepting?
Perfect
could I not have intercepted? could you not have intercepted? could she not have intercepted? could we not have intercepted? could you not have intercepted? could they not have intercepted?
V-ing perfect
could I not have been intercepting? could you not have been intercepting? could she not have been intercepting? could we not have been intercepting? could you not have been intercepting? could they not have been intercepting?