English verb conjugation
COULD RIFLE

Regular verb: rifle - rifled - rifled

Affirmation

Simple form	V-ing form
I could rifle you could rifle he could rifle we could rifle you could rifle they could rifle	I could be rifling you could be rifling he could be rifling we could be rifling you could be rifling they could be rifling
Perfect	V-ing perfect
I could have rifled you could have rifled he could have rifled we could have rifled you could have rifled they could have rifled	I could have been rifling you could have been rifling he could have been rifling we could have been rifling you could have been rifling they could have been rifling

Negation

Simple form	V-ing form
I could not rifle you could not rifle he could not rifle we could not rifle you could not rifle they could not rifle	I could not be rifling you could not be rifling he could not be rifling we could not be rifling you could not be rifling they could not be rifling
Perfect	V-ing perfect
I could not have rifled you could not have rifled he could not have rifled we could not have rifled you could not have rifled they could not have rifled	I could not have been rifling you could not have been rifling he could not have been rifling we could not have been rifling you could not have been rifling they could not have been rifling

Interrogative form

Simple form	V-ing form
could I rifle? could you rifle? could he rifle? could we rifle? could you rifle? could they rifle?	could I be rifling? could you be rifling? could he be rifling? could we be rifling? could you be rifling? could they be rifling?
Perfect	V-ing perfect
could I have rifled? could you have rifled? could he have rifled? could we have rifled? could you have rifled? could they have rifled?	could I have been rifling? could you have been rifling? could he have been rifling? could we have been rifling? could you have been rifling? could they have been rifling?

Interro-negative form

Simple form	V-ing form
could I not rifle? could you not rifle? could he not rifle? could we not rifle? could you not rifle? could they not rifle?	could I not be rifling? could you not be rifling? could he not be rifling? could we not be rifling? could you not be rifling? could they not be rifling?
Perfect	V-ing perfect
could I not have rifled? could you not have rifled? could he not have rifled? could we not have rifled? could you not have rifled? could they not have rifled?	could I not have been rifling? could you not have been rifling? could he not have been rifling? could we not have been rifling? could you not have been rifling? could they not have been rifling?