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 couldn't smuggle you couldn't smuggle he couldn't smuggle we couldn't smuggle you couldn't smuggle they couldn't smuggle	I couldn't be smuggling you couldn't be smuggling he couldn't be smuggling we couldn't be smuggling you couldn't be smuggling they couldn't be smuggling
Perfect	V-ing perfect
I couldn't have smuggled you couldn't have smuggled he couldn't have smuggled we couldn't have smuggled you couldn't have smuggled they couldn't have smuggled	I couldn't have been smuggling you couldn't have been smuggling he couldn't have been smuggling we couldn't have been smuggling you couldn't have been smuggling they couldn't 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
couldn't I smuggle? couldn't you smuggle? couldn't he smuggle? couldn't we smuggle? couldn't you smuggle? couldn't they smuggle?	couldn't I be smuggling? couldn't you be smuggling? couldn't he be smuggling? couldn't we be smuggling? couldn't you be smuggling? couldn't they be smuggling?
Perfect	V-ing perfect
couldn't I have smuggled? couldn't you have smuggled? couldn't he have smuggled? couldn't we have smuggled? couldn't you have smuggled? couldn't they have smuggled?	couldn't I have been smuggling? couldn't you have been smuggling? couldn't he have been smuggling? couldn't we have been smuggling? couldn't you have been smuggling? couldn't they have been smuggling?