English verb conjugation
COULD FERULE

Regular verb: ferule - feruled - feruled

Affirmation

Simple form	V-ing form
I could ferule you could ferule he could ferule we could ferule you could ferule they could ferule	I could be feruling you could be feruling he could be feruling we could be feruling you could be feruling they could be feruling
Perfect	V-ing perfect
I could have feruled you could have feruled he could have feruled we could have feruled you could have feruled they could have feruled	I could have been feruling you could have been feruling he could have been feruling we could have been feruling you could have been feruling they could have been feruling

Negation

Simple form	V-ing form
I could not ferule you could not ferule he could not ferule we could not ferule you could not ferule they could not ferule	I could not be feruling you could not be feruling he could not be feruling we could not be feruling you could not be feruling they could not be feruling
Perfect	V-ing perfect
I could not have feruled you could not have feruled he could not have feruled we could not have feruled you could not have feruled they could not have feruled	I could not have been feruling you could not have been feruling he could not have been feruling we could not have been feruling you could not have been feruling they could not have been feruling

Interrogative form

Simple form	V-ing form
could I ferule? could you ferule? could he ferule? could we ferule? could you ferule? could they ferule?	could I be feruling? could you be feruling? could he be feruling? could we be feruling? could you be feruling? could they be feruling?
Perfect	V-ing perfect
could I have feruled? could you have feruled? could he have feruled? could we have feruled? could you have feruled? could they have feruled?	could I have been feruling? could you have been feruling? could he have been feruling? could we have been feruling? could you have been feruling? could they have been feruling?

Interro-negative form

Simple form	V-ing form
could I not ferule? could you not ferule? could he not ferule? could we not ferule? could you not ferule? could they not ferule?	could I not be feruling? could you not be feruling? could he not be feruling? could we not be feruling? could you not be feruling? could they not be feruling?
Perfect	V-ing perfect
could I not have feruled? could you not have feruled? could he not have feruled? could we not have feruled? could you not have feruled? could they not have feruled?	could I not have been feruling? could you not have been feruling? could he not have been feruling? could we not have been feruling? could you not have been feruling? could they not have been feruling?