English verb conjugation
COULD ENFORCE

Regular verb: enforce - enforced - enforced

Affirmation

Simple form	V-ing form
I could enforce you could enforce she could enforce we could enforce you could enforce they could enforce	I could be enforcing you could be enforcing she 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 she 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 she 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 she 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 she 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 she 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 she 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 she enforce? could we enforce? could you enforce? could they enforce?	could I be enforcing? could you be enforcing? could she 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 she 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 she 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 she 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 she 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 she 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 she have been enforcing? couldn't we have been enforcing? couldn't you have been enforcing? couldn't they have been enforcing?