English verb conjugation
COULD ENFORCE

Regular verb: enforce - enforced - enforced

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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