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 couldn't squander you couldn't squander he couldn't squander we couldn't squander you couldn't squander they couldn't squander
V-ing form
I couldn't be squandering you couldn't be squandering he couldn't be squandering we couldn't be squandering you couldn't be squandering they couldn't be squandering
Perfect
I couldn't have squandered you couldn't have squandered he couldn't have squandered we couldn't have squandered you couldn't have squandered they couldn't have squandered
V-ing perfect
I couldn't have been squandering you couldn't have been squandering he couldn't have been squandering we couldn't have been squandering you couldn't have been squandering they couldn't 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
couldn't I squander? couldn't you squander? couldn't he squander? couldn't we squander? couldn't you squander? couldn't they squander?
V-ing form
couldn't I be squandering? couldn't you be squandering? couldn't he be squandering? couldn't we be squandering? couldn't you be squandering? couldn't they be squandering?
Perfect
couldn't I have squandered? couldn't you have squandered? couldn't he have squandered? couldn't we have squandered? couldn't you have squandered? couldn't they have squandered?
V-ing perfect
couldn't I have been squandering? couldn't you have been squandering? couldn't he have been squandering? couldn't we have been squandering? couldn't you have been squandering? couldn't they have been squandering?