English verb conjugation
COULD RAG

Regular verb: rag - ragged - ragged

Affirmation

Simple form	V-ing form
I could rag you could rag he could rag we could rag you could rag they could rag	I could be ragging you could be ragging he could be ragging we could be ragging you could be ragging they could be ragging
Perfect	V-ing perfect
I could have ragged you could have ragged he could have ragged we could have ragged you could have ragged they could have ragged	I could have been ragging you could have been ragging he could have been ragging we could have been ragging you could have been ragging they could have been ragging

Negation

Simple form	V-ing form
I could not rag you could not rag he could not rag we could not rag you could not rag they could not rag	I could not be ragging you could not be ragging he could not be ragging we could not be ragging you could not be ragging they could not be ragging
Perfect	V-ing perfect
I could not have ragged you could not have ragged he could not have ragged we could not have ragged you could not have ragged they could not have ragged	I could not have been ragging you could not have been ragging he could not have been ragging we could not have been ragging you could not have been ragging they could not have been ragging

Interrogative form

Simple form	V-ing form
could I rag? could you rag? could he rag? could we rag? could you rag? could they rag?	could I be ragging? could you be ragging? could he be ragging? could we be ragging? could you be ragging? could they be ragging?
Perfect	V-ing perfect
could I have ragged? could you have ragged? could he have ragged? could we have ragged? could you have ragged? could they have ragged?	could I have been ragging? could you have been ragging? could he have been ragging? could we have been ragging? could you have been ragging? could they have been ragging?

Interro-negative form

Simple form	V-ing form
could I not rag? could you not rag? could he not rag? could we not rag? could you not rag? could they not rag?	could I not be ragging? could you not be ragging? could he not be ragging? could we not be ragging? could you not be ragging? could they not be ragging?
Perfect	V-ing perfect
could I not have ragged? could you not have ragged? could he not have ragged? could we not have ragged? could you not have ragged? could they not have ragged?	could I not have been ragging? could you not have been ragging? could he not have been ragging? could we not have been ragging? could you not have been ragging? could they not have been ragging?