English verb conjugation
COULD TALLY

Regular verb: tally - tallied - tallied

Affirmation

Simple form	V-ing form
I could tally you could tally he could tally we could tally you could tally they could tally	I could be tallying you could be tallying he could be tallying we could be tallying you could be tallying they could be tallying
Perfect	V-ing perfect
I could have tallied you could have tallied he could have tallied we could have tallied you could have tallied they could have tallied	I could have been tallying you could have been tallying he could have been tallying we could have been tallying you could have been tallying they could have been tallying

Negation

Simple form	V-ing form
I could not tally you could not tally he could not tally we could not tally you could not tally they could not tally	I could not be tallying you could not be tallying he could not be tallying we could not be tallying you could not be tallying they could not be tallying
Perfect	V-ing perfect
I could not have tallied you could not have tallied he could not have tallied we could not have tallied you could not have tallied they could not have tallied	I could not have been tallying you could not have been tallying he could not have been tallying we could not have been tallying you could not have been tallying they could not have been tallying

Interrogative form

Simple form	V-ing form
could I tally? could you tally? could he tally? could we tally? could you tally? could they tally?	could I be tallying? could you be tallying? could he be tallying? could we be tallying? could you be tallying? could they be tallying?
Perfect	V-ing perfect
could I have tallied? could you have tallied? could he have tallied? could we have tallied? could you have tallied? could they have tallied?	could I have been tallying? could you have been tallying? could he have been tallying? could we have been tallying? could you have been tallying? could they have been tallying?

Interro-negative form

Simple form	V-ing form
could I not tally? could you not tally? could he not tally? could we not tally? could you not tally? could they not tally?	could I not be tallying? could you not be tallying? could he not be tallying? could we not be tallying? could you not be tallying? could they not be tallying?
Perfect	V-ing perfect
could I not have tallied? could you not have tallied? could he not have tallied? could we not have tallied? could you not have tallied? could they not have tallied?	could I not have been tallying? could you not have been tallying? could he not have been tallying? could we not have been tallying? could you not have been tallying? could they not have been tallying?