English verb conjugation
COULD RETITLE

Regular verb: retitle - retitled - retitled

Affirmation

Simple form	V-ing form
I could retitle you could retitle he could retitle we could retitle you could retitle they could retitle	I could be retitling you could be retitling he could be retitling we could be retitling you could be retitling they could be retitling
Perfect	V-ing perfect
I could have retitled you could have retitled he could have retitled we could have retitled you could have retitled they could have retitled	I could have been retitling you could have been retitling he could have been retitling we could have been retitling you could have been retitling they could have been retitling

Negation

Simple form	V-ing form
I couldn't retitle you couldn't retitle he couldn't retitle we couldn't retitle you couldn't retitle they couldn't retitle	I couldn't be retitling you couldn't be retitling he couldn't be retitling we couldn't be retitling you couldn't be retitling they couldn't be retitling
Perfect	V-ing perfect
I couldn't have retitled you couldn't have retitled he couldn't have retitled we couldn't have retitled you couldn't have retitled they couldn't have retitled	I couldn't have been retitling you couldn't have been retitling he couldn't have been retitling we couldn't have been retitling you couldn't have been retitling they couldn't have been retitling

Interrogative form

Simple form	V-ing form
could I retitle? could you retitle? could he retitle? could we retitle? could you retitle? could they retitle?	could I be retitling? could you be retitling? could he be retitling? could we be retitling? could you be retitling? could they be retitling?
Perfect	V-ing perfect
could I have retitled? could you have retitled? could he have retitled? could we have retitled? could you have retitled? could they have retitled?	could I have been retitling? could you have been retitling? could he have been retitling? could we have been retitling? could you have been retitling? could they have been retitling?

Interro-negative form

Simple form	V-ing form
couldn't I retitle? couldn't you retitle? couldn't he retitle? couldn't we retitle? couldn't you retitle? couldn't they retitle?	couldn't I be retitling? couldn't you be retitling? couldn't he be retitling? couldn't we be retitling? couldn't you be retitling? couldn't they be retitling?
Perfect	V-ing perfect
couldn't I have retitled? couldn't you have retitled? couldn't he have retitled? couldn't we have retitled? couldn't you have retitled? couldn't they have retitled?	couldn't I have been retitling? couldn't you have been retitling? couldn't he have been retitling? couldn't we have been retitling? couldn't you have been retitling? couldn't they have been retitling?