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 couldn't tally you couldn't tally he couldn't tally we couldn't tally you couldn't tally they couldn't tally	I couldn't be tallying you couldn't be tallying he couldn't be tallying we couldn't be tallying you couldn't be tallying they couldn't be tallying
Perfect	V-ing perfect
I couldn't have tallied you couldn't have tallied he couldn't have tallied we couldn't have tallied you couldn't have tallied they couldn't have tallied	I couldn't have been tallying you couldn't have been tallying he couldn't have been tallying we couldn't have been tallying you couldn't have been tallying they couldn't 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
couldn't I tally? couldn't you tally? couldn't he tally? couldn't we tally? couldn't you tally? couldn't they tally?	couldn't I be tallying? couldn't you be tallying? couldn't he be tallying? couldn't we be tallying? couldn't you be tallying? couldn't they be tallying?
Perfect	V-ing perfect
couldn't I have tallied? couldn't you have tallied? couldn't he have tallied? couldn't we have tallied? couldn't you have tallied? couldn't they have tallied?	couldn't I have been tallying? couldn't you have been tallying? couldn't he have been tallying? couldn't we have been tallying? couldn't you have been tallying? couldn't they have been tallying?