English verb conjugation
CAN ENFORCE

Regular verb: enforce - enforced - enforced

Affirmation

Simple form	V-ing form
I can enforce you can enforce he can enforce we can enforce you can enforce they can enforce	I can be enforcing you can be enforcing he can be enforcing we can be enforcing you can be enforcing they can be enforcing
Perfect	V-ing perfect
I can have enforced you can have enforced he can have enforced we can have enforced you can have enforced they can have enforced	I can have been enforcing you can have been enforcing he can have been enforcing we can have been enforcing you can have been enforcing they can have been enforcing

Negation

Simple form	V-ing form
I cannot enforce you cannot enforce he cannot enforce we cannot enforce you cannot enforce they cannot enforce	I cannot be enforcing you cannot be enforcing he cannot be enforcing we cannot be enforcing you cannot be enforcing they cannot be enforcing
Perfect	V-ing perfect
I cannot have enforced you cannot have enforced he cannot have enforced we cannot have enforced you cannot have enforced they cannot have enforced	I cannot have been enforcing you cannot have been enforcing he cannot have been enforcing we cannot have been enforcing you cannot have been enforcing they cannot have been enforcing

Interrogative form

Simple form	V-ing form
can I enforce? can you enforce? can he enforce? can we enforce? can you enforce? can they enforce?	can I be enforcing? can you be enforcing? can he be enforcing? can we be enforcing? can you be enforcing? can they be enforcing?
Perfect	V-ing perfect
can I have enforced? can you have enforced? can he have enforced? can we have enforced? can you have enforced? can they have enforced?	can I have been enforcing? can you have been enforcing? can he have been enforcing? can we have been enforcing? can you have been enforcing? can they have been enforcing?

Interro-negative form

Simple form	V-ing form
can I not enforce? can you not enforce? can he not enforce? can we not enforce? can you not enforce? can they not enforce?	can I not be enforcing? can you not be enforcing? can he not be enforcing? can we not be enforcing? can you not be enforcing? can they not be enforcing?
Perfect	V-ing perfect
can I not have enforced? can you not have enforced? can he not have enforced? can we not have enforced? can you not have enforced? can they not have enforced?	can I not have been enforcing? can you not have been enforcing? can he not have been enforcing? can we not have been enforcing? can you not have been enforcing? can they not have been enforcing?