I could constrict you could constrict she could constrict we could constrict you could constrict they could constrict
V-ing form
I could be constricting you could be constricting she could be constricting we could be constricting you could be constricting they could be constricting
Perfect
I could have constricted you could have constricted she could have constricted we could have constricted you could have constricted they could have constricted
V-ing perfect
I could have been constricting you could have been constricting she could have been constricting we could have been constricting you could have been constricting they could have been constricting
Negation
Simple form
I could not constrict you could not constrict she could not constrict we could not constrict you could not constrict they could not constrict
V-ing form
I could not be constricting you could not be constricting she could not be constricting we could not be constricting you could not be constricting they could not be constricting
Perfect
I could not have constricted you could not have constricted she could not have constricted we could not have constricted you could not have constricted they could not have constricted
V-ing perfect
I could not have been constricting you could not have been constricting she could not have been constricting we could not have been constricting you could not have been constricting they could not have been constricting
Interrogative form
Simple form
could I constrict? could you constrict? could she constrict? could we constrict? could you constrict? could they constrict?
V-ing form
could I be constricting? could you be constricting? could she be constricting? could we be constricting? could you be constricting? could they be constricting?
Perfect
could I have constricted? could you have constricted? could she have constricted? could we have constricted? could you have constricted? could they have constricted?
V-ing perfect
could I have been constricting? could you have been constricting? could she have been constricting? could we have been constricting? could you have been constricting? could they have been constricting?
Interro-negative form
Simple form
could I not constrict? could you not constrict? could she not constrict? could we not constrict? could you not constrict? could they not constrict?
V-ing form
could I not be constricting? could you not be constricting? could she not be constricting? could we not be constricting? could you not be constricting? could they not be constricting?
Perfect
could I not have constricted? could you not have constricted? could she not have constricted? could we not have constricted? could you not have constricted? could they not have constricted?
V-ing perfect
could I not have been constricting? could you not have been constricting? could she not have been constricting? could we not have been constricting? could you not have been constricting? could they not have been constricting?