I could tally you could tally he could tally we could tally you could tally they could tally
V-ing form
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
I could have tallied you could have tallied he could have tallied we could have tallied you could have tallied they could have tallied
V-ing perfect
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
I could not tally you could not tally he could not tally we could not tally you could not tally they could not tally
V-ing form
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
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
V-ing perfect
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
could I tally? could you tally? could he tally? could we tally? could you tally? could they tally?
V-ing form
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
could I have tallied? could you have tallied? could he have tallied? could we have tallied? could you have tallied? could they have tallied?
V-ing perfect
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
could I not tally? could you not tally? could he not tally? could we not tally? could you not tally? could they not tally?
V-ing form
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
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?
V-ing perfect
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?