English verb conjugation
CAN CONSTRICT

Regular verb: constrict - constricted - constricted

Affirmation

Simple form	V-ing form
I can constrict you can constrict she can constrict we can constrict you can constrict they can constrict	I can be constricting you can be constricting she can be constricting we can be constricting you can be constricting they can be constricting
Perfect	V-ing perfect
I can have constricted you can have constricted she can have constricted we can have constricted you can have constricted they can have constricted	I can have been constricting you can have been constricting she can have been constricting we can have been constricting you can have been constricting they can have been constricting

Negation

Simple form	V-ing form
I cannot constrict you cannot constrict she cannot constrict we cannot constrict you cannot constrict they cannot constrict	I cannot be constricting you cannot be constricting she cannot be constricting we cannot be constricting you cannot be constricting they cannot be constricting
Perfect	V-ing perfect
I cannot have constricted you cannot have constricted she cannot have constricted we cannot have constricted you cannot have constricted they cannot have constricted	I cannot have been constricting you cannot have been constricting she cannot have been constricting we cannot have been constricting you cannot have been constricting they cannot have been constricting

Interrogative form

Simple form	V-ing form
can I constrict? can you constrict? can she constrict? can we constrict? can you constrict? can they constrict?	can I be constricting? can you be constricting? can she be constricting? can we be constricting? can you be constricting? can they be constricting?
Perfect	V-ing perfect
can I have constricted? can you have constricted? can she have constricted? can we have constricted? can you have constricted? can they have constricted?	can I have been constricting? can you have been constricting? can she have been constricting? can we have been constricting? can you have been constricting? can they have been constricting?

Interro-negative form

Simple form	V-ing form
can I not constrict? can you not constrict? can she not constrict? can we not constrict? can you not constrict? can they not constrict?	can I not be constricting? can you not be constricting? can she not be constricting? can we not be constricting? can you not be constricting? can they not be constricting?
Perfect	V-ing perfect
can I not have constricted? can you not have constricted? can she not have constricted? can we not have constricted? can you not have constricted? can they not have constricted?	can I not have been constricting? can you not have been constricting? can she not have been constricting? can we not have been constricting? can you not have been constricting? can they not have been constricting?