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 could not article you could not article he could not article we could not article you could not article they could not article	I could not be articling you could not be articling he could not be articling we could not be articling you could not be articling they could not be articling
Perfect	V-ing perfect
I could not have articled you could not have articled he could not have articled we could not have articled you could not have articled they could not have articled	I could not have been articling you could not have been articling he could not have been articling we could not have been articling you could not have been articling they could not 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
could I not article? could you not article? could he not article? could we not article? could you not article? could they not article?	could I not be articling? could you not be articling? could he not be articling? could we not be articling? could you not be articling? could they not be articling?
Perfect	V-ing perfect
could I not have articled? could you not have articled? could he not have articled? could we not have articled? could you not have articled? could they not have articled?	could I not have been articling? could you not have been articling? could he not have been articling? could we not have been articling? could you not have been articling? could they not have been articling?