English verb conjugation
COULD ARTICLE

Regular verb: article - articled - articled

Affirmation

Simple form	V-ing form
I could article you could article he could article we could article you could article they could article	I could be articling you could be articling he could be articling we could be articling you could be articling they could be articling
Perfect	V-ing perfect
I could have articled you could have articled he could have articled we could have articled you could have articled they could have articled	I could have been articling you could have been articling he could have been articling we could have been articling you could have been articling they could have been articling

Negation

Simple form	V-ing form
I couldn't article you couldn't article he couldn't article we couldn't article you couldn't article they couldn't article	I couldn't be articling you couldn't be articling he couldn't be articling we couldn't be articling you couldn't be articling they couldn't be articling
Perfect	V-ing perfect
I couldn't have articled you couldn't have articled he couldn't have articled we couldn't have articled you couldn't have articled they couldn't have articled	I couldn't have been articling you couldn't have been articling he couldn't have been articling we couldn't have been articling you couldn't have been articling they couldn't have been articling

Interrogative form

Simple form	V-ing form
could I article? could you article? could he article? could we article? could you article? could they article?	could I be articling? could you be articling? could he be articling? could we be articling? could you be articling? could they be articling?
Perfect	V-ing perfect
could I have articled? could you have articled? could he have articled? could we have articled? could you have articled? could they have articled?	could I have been articling? could you have been articling? could he have been articling? could we have been articling? could you have been articling? could they have been articling?

Interro-negative form

Simple form	V-ing form
couldn't I article? couldn't you article? couldn't he article? couldn't we article? couldn't you article? couldn't they article?	couldn't I be articling? couldn't you be articling? couldn't he be articling? couldn't we be articling? couldn't you be articling? couldn't they be articling?
Perfect	V-ing perfect
couldn't I have articled? couldn't you have articled? couldn't he have articled? couldn't we have articled? couldn't you have articled? couldn't they have articled?	couldn't I have been articling? couldn't you have been articling? couldn't he have been articling? couldn't we have been articling? couldn't you have been articling? couldn't they have been articling?