English verb conjugation
COULD REINFORCE

Regular verb: reinforce - reinforced - reinforced

Affirmation

Simple form	V-ing form
I could reinforce you could reinforce she could reinforce we could reinforce you could reinforce they could reinforce	I could be reinforcing you could be reinforcing she could be reinforcing we could be reinforcing you could be reinforcing they could be reinforcing
Perfect	V-ing perfect
I could have reinforced you could have reinforced she could have reinforced we could have reinforced you could have reinforced they could have reinforced	I could have been reinforcing you could have been reinforcing she could have been reinforcing we could have been reinforcing you could have been reinforcing they could have been reinforcing

Negation

Simple form	V-ing form
I could not reinforce you could not reinforce she could not reinforce we could not reinforce you could not reinforce they could not reinforce	I could not be reinforcing you could not be reinforcing she could not be reinforcing we could not be reinforcing you could not be reinforcing they could not be reinforcing
Perfect	V-ing perfect
I could not have reinforced you could not have reinforced she could not have reinforced we could not have reinforced you could not have reinforced they could not have reinforced	I could not have been reinforcing you could not have been reinforcing she could not have been reinforcing we could not have been reinforcing you could not have been reinforcing they could not have been reinforcing

Interrogative form

Simple form	V-ing form
could I reinforce? could you reinforce? could she reinforce? could we reinforce? could you reinforce? could they reinforce?	could I be reinforcing? could you be reinforcing? could she be reinforcing? could we be reinforcing? could you be reinforcing? could they be reinforcing?
Perfect	V-ing perfect
could I have reinforced? could you have reinforced? could she have reinforced? could we have reinforced? could you have reinforced? could they have reinforced?	could I have been reinforcing? could you have been reinforcing? could she have been reinforcing? could we have been reinforcing? could you have been reinforcing? could they have been reinforcing?

Interro-negative form

Simple form	V-ing form
could I not reinforce? could you not reinforce? could she not reinforce? could we not reinforce? could you not reinforce? could they not reinforce?	could I not be reinforcing? could you not be reinforcing? could she not be reinforcing? could we not be reinforcing? could you not be reinforcing? could they not be reinforcing?
Perfect	V-ing perfect
could I not have reinforced? could you not have reinforced? could she not have reinforced? could we not have reinforced? could you not have reinforced? could they not have reinforced?	could I not have been reinforcing? could you not have been reinforcing? could she not have been reinforcing? could we not have been reinforcing? could you not have been reinforcing? could they not have been reinforcing?