I could squander you could squander he could squander we could squander you could squander they could squander
V-ing form
I could be squandering you could be squandering he could be squandering we could be squandering you could be squandering they could be squandering
Perfect
I could have squandered you could have squandered he could have squandered we could have squandered you could have squandered they could have squandered
V-ing perfect
I could have been squandering you could have been squandering he could have been squandering we could have been squandering you could have been squandering they could have been squandering
Negation
Simple form
I could not squander you could not squander he could not squander we could not squander you could not squander they could not squander
V-ing form
I could not be squandering you could not be squandering he could not be squandering we could not be squandering you could not be squandering they could not be squandering
Perfect
I could not have squandered you could not have squandered he could not have squandered we could not have squandered you could not have squandered they could not have squandered
V-ing perfect
I could not have been squandering you could not have been squandering he could not have been squandering we could not have been squandering you could not have been squandering they could not have been squandering
Interrogative form
Simple form
could I squander? could you squander? could he squander? could we squander? could you squander? could they squander?
V-ing form
could I be squandering? could you be squandering? could he be squandering? could we be squandering? could you be squandering? could they be squandering?
Perfect
could I have squandered? could you have squandered? could he have squandered? could we have squandered? could you have squandered? could they have squandered?
V-ing perfect
could I have been squandering? could you have been squandering? could he have been squandering? could we have been squandering? could you have been squandering? could they have been squandering?
Interro-negative form
Simple form
could I not squander? could you not squander? could he not squander? could we not squander? could you not squander? could they not squander?
V-ing form
could I not be squandering? could you not be squandering? could he not be squandering? could we not be squandering? could you not be squandering? could they not be squandering?
Perfect
could I not have squandered? could you not have squandered? could he not have squandered? could we not have squandered? could you not have squandered? could they not have squandered?
V-ing perfect
could I not have been squandering? could you not have been squandering? could he not have been squandering? could we not have been squandering? could you not have been squandering? could they not have been squandering?