English verb conjugation
COULD SMUGGLE

Regular verb: smuggle - smuggled - smuggled

Affirmation

Simple form	V-ing form
I could smuggle you could smuggle he could smuggle we could smuggle you could smuggle they could smuggle	I could be smuggling you could be smuggling he could be smuggling we could be smuggling you could be smuggling they could be smuggling
Perfect	V-ing perfect
I could have smuggled you could have smuggled he could have smuggled we could have smuggled you could have smuggled they could have smuggled	I could have been smuggling you could have been smuggling he could have been smuggling we could have been smuggling you could have been smuggling they could have been smuggling

Negation

Simple form	V-ing form
I could not smuggle you could not smuggle he could not smuggle we could not smuggle you could not smuggle they could not smuggle	I could not be smuggling you could not be smuggling he could not be smuggling we could not be smuggling you could not be smuggling they could not be smuggling
Perfect	V-ing perfect
I could not have smuggled you could not have smuggled he could not have smuggled we could not have smuggled you could not have smuggled they could not have smuggled	I could not have been smuggling you could not have been smuggling he could not have been smuggling we could not have been smuggling you could not have been smuggling they could not have been smuggling

Interrogative form

Simple form	V-ing form
could I smuggle? could you smuggle? could he smuggle? could we smuggle? could you smuggle? could they smuggle?	could I be smuggling? could you be smuggling? could he be smuggling? could we be smuggling? could you be smuggling? could they be smuggling?
Perfect	V-ing perfect
could I have smuggled? could you have smuggled? could he have smuggled? could we have smuggled? could you have smuggled? could they have smuggled?	could I have been smuggling? could you have been smuggling? could he have been smuggling? could we have been smuggling? could you have been smuggling? could they have been smuggling?

Interro-negative form

Simple form	V-ing form
could I not smuggle? could you not smuggle? could he not smuggle? could we not smuggle? could you not smuggle? could they not smuggle?	could I not be smuggling? could you not be smuggling? could he not be smuggling? could we not be smuggling? could you not be smuggling? could they not be smuggling?
Perfect	V-ing perfect
could I not have smuggled? could you not have smuggled? could he not have smuggled? could we not have smuggled? could you not have smuggled? could they not have smuggled?	could I not have been smuggling? could you not have been smuggling? could he not have been smuggling? could we not have been smuggling? could you not have been smuggling? could they not have been smuggling?