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 couldn't rag you couldn't rag he couldn't rag we couldn't rag you couldn't rag they couldn't rag	I couldn't be ragging you couldn't be ragging he couldn't be ragging we couldn't be ragging you couldn't be ragging they couldn't be ragging
Perfect	V-ing perfect
I couldn't have ragged you couldn't have ragged he couldn't have ragged we couldn't have ragged you couldn't have ragged they couldn't have ragged	I couldn't have been ragging you couldn't have been ragging he couldn't have been ragging we couldn't have been ragging you couldn't have been ragging they couldn't 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
couldn't I rag? couldn't you rag? couldn't he rag? couldn't we rag? couldn't you rag? couldn't they rag?	couldn't I be ragging? couldn't you be ragging? couldn't he be ragging? couldn't we be ragging? couldn't you be ragging? couldn't they be ragging?
Perfect	V-ing perfect
couldn't I have ragged? couldn't you have ragged? couldn't he have ragged? couldn't we have ragged? couldn't you have ragged? couldn't they have ragged?	couldn't I have been ragging? couldn't you have been ragging? couldn't he have been ragging? couldn't we have been ragging? couldn't you have been ragging? couldn't they have been ragging?