I could strut you could strut he could strut we could strut you could strut they could strut
V-ing form
I could be strutting you could be strutting he could be strutting we could be strutting you could be strutting they could be strutting
Perfect
I could have strutted you could have strutted he could have strutted we could have strutted you could have strutted they could have strutted
V-ing perfect
I could have been strutting you could have been strutting he could have been strutting we could have been strutting you could have been strutting they could have been strutting
Negation
Simple form
I could not strut you could not strut he could not strut we could not strut you could not strut they could not strut
V-ing form
I could not be strutting you could not be strutting he could not be strutting we could not be strutting you could not be strutting they could not be strutting
Perfect
I could not have strutted you could not have strutted he could not have strutted we could not have strutted you could not have strutted they could not have strutted
V-ing perfect
I could not have been strutting you could not have been strutting he could not have been strutting we could not have been strutting you could not have been strutting they could not have been strutting
Interrogative form
Simple form
could I strut? could you strut? could he strut? could we strut? could you strut? could they strut?
V-ing form
could I be strutting? could you be strutting? could he be strutting? could we be strutting? could you be strutting? could they be strutting?
Perfect
could I have strutted? could you have strutted? could he have strutted? could we have strutted? could you have strutted? could they have strutted?
V-ing perfect
could I have been strutting? could you have been strutting? could he have been strutting? could we have been strutting? could you have been strutting? could they have been strutting?
Interro-negative form
Simple form
could I not strut? could you not strut? could he not strut? could we not strut? could you not strut? could they not strut?
V-ing form
could I not be strutting? could you not be strutting? could he not be strutting? could we not be strutting? could you not be strutting? could they not be strutting?
Perfect
could I not have strutted? could you not have strutted? could he not have strutted? could we not have strutted? could you not have strutted? could they not have strutted?
V-ing perfect
could I not have been strutting? could you not have been strutting? could he not have been strutting? could we not have been strutting? could you not have been strutting? could they not have been strutting?