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 can't enforce you can't enforce he can't enforce we can't enforce you can't enforce they can't enforce	I can't be enforcing you can't be enforcing he can't be enforcing we can't be enforcing you can't be enforcing they can't be enforcing
Perfect	V-ing perfect
I can't have enforced you can't have enforced he can't have enforced we can't have enforced you can't have enforced they can't have enforced	I can't have been enforcing you can't have been enforcing he can't have been enforcing we can't have been enforcing you can't have been enforcing they can't 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't I enforce? can't you enforce? can't he enforce? can't we enforce? can't you enforce? can't they enforce?	can't I be enforcing? can't you be enforcing? can't he be enforcing? can't we be enforcing? can't you be enforcing? can't they be enforcing?
Perfect	V-ing perfect
can't I have enforced? can't you have enforced? can't he have enforced? can't we have enforced? can't you have enforced? can't they have enforced?	can't I have been enforcing? can't you have been enforcing? can't he have been enforcing? can't we have been enforcing? can't you have been enforcing? can't they have been enforcing?