English verb conjugation
COULD RETALLY

Regular verb: retally - retallied - retallied

Affirmation

Simple form	V-ing form
I could retally you could retally he could retally we could retally you could retally they could retally	I could be retallying you could be retallying he could be retallying we could be retallying you could be retallying they could be retallying
Perfect	V-ing perfect
I could have retallied you could have retallied he could have retallied we could have retallied you could have retallied they could have retallied	I could have been retallying you could have been retallying he could have been retallying we could have been retallying you could have been retallying they could have been retallying

Negation

Simple form	V-ing form
I couldn't retally you couldn't retally he couldn't retally we couldn't retally you couldn't retally they couldn't retally	I couldn't be retallying you couldn't be retallying he couldn't be retallying we couldn't be retallying you couldn't be retallying they couldn't be retallying
Perfect	V-ing perfect
I couldn't have retallied you couldn't have retallied he couldn't have retallied we couldn't have retallied you couldn't have retallied they couldn't have retallied	I couldn't have been retallying you couldn't have been retallying he couldn't have been retallying we couldn't have been retallying you couldn't have been retallying they couldn't have been retallying

Interrogative form

Simple form	V-ing form
could I retally? could you retally? could he retally? could we retally? could you retally? could they retally?	could I be retallying? could you be retallying? could he be retallying? could we be retallying? could you be retallying? could they be retallying?
Perfect	V-ing perfect
could I have retallied? could you have retallied? could he have retallied? could we have retallied? could you have retallied? could they have retallied?	could I have been retallying? could you have been retallying? could he have been retallying? could we have been retallying? could you have been retallying? could they have been retallying?

Interro-negative form

Simple form	V-ing form
couldn't I retally? couldn't you retally? couldn't he retally? couldn't we retally? couldn't you retally? couldn't they retally?	couldn't I be retallying? couldn't you be retallying? couldn't he be retallying? couldn't we be retallying? couldn't you be retallying? couldn't they be retallying?
Perfect	V-ing perfect
couldn't I have retallied? couldn't you have retallied? couldn't he have retallied? couldn't we have retallied? couldn't you have retallied? couldn't they have retallied?	couldn't I have been retallying? couldn't you have been retallying? couldn't he have been retallying? couldn't we have been retallying? couldn't you have been retallying? couldn't they have been retallying?