I could emigrate you could emigrate he could emigrate we could emigrate you could emigrate they could emigrate
V-ing form
I could be emigrating you could be emigrating he could be emigrating we could be emigrating you could be emigrating they could be emigrating
Perfect
I could have emigrated you could have emigrated he could have emigrated we could have emigrated you could have emigrated they could have emigrated
V-ing perfect
I could have been emigrating you could have been emigrating he could have been emigrating we could have been emigrating you could have been emigrating they could have been emigrating
Negation
Simple form
I couldn't emigrate you couldn't emigrate he couldn't emigrate we couldn't emigrate you couldn't emigrate they couldn't emigrate
V-ing form
I couldn't be emigrating you couldn't be emigrating he couldn't be emigrating we couldn't be emigrating you couldn't be emigrating they couldn't be emigrating
Perfect
I couldn't have emigrated you couldn't have emigrated he couldn't have emigrated we couldn't have emigrated you couldn't have emigrated they couldn't have emigrated
V-ing perfect
I couldn't have been emigrating you couldn't have been emigrating he couldn't have been emigrating we couldn't have been emigrating you couldn't have been emigrating they couldn't have been emigrating
Interrogative form
Simple form
could I emigrate? could you emigrate? could he emigrate? could we emigrate? could you emigrate? could they emigrate?
V-ing form
could I be emigrating? could you be emigrating? could he be emigrating? could we be emigrating? could you be emigrating? could they be emigrating?
Perfect
could I have emigrated? could you have emigrated? could he have emigrated? could we have emigrated? could you have emigrated? could they have emigrated?
V-ing perfect
could I have been emigrating? could you have been emigrating? could he have been emigrating? could we have been emigrating? could you have been emigrating? could they have been emigrating?
Interro-negative form
Simple form
couldn't I emigrate? couldn't you emigrate? couldn't he emigrate? couldn't we emigrate? couldn't you emigrate? couldn't they emigrate?
V-ing form
couldn't I be emigrating? couldn't you be emigrating? couldn't he be emigrating? couldn't we be emigrating? couldn't you be emigrating? couldn't they be emigrating?
Perfect
couldn't I have emigrated? couldn't you have emigrated? couldn't he have emigrated? couldn't we have emigrated? couldn't you have emigrated? couldn't they have emigrated?
V-ing perfect
couldn't I have been emigrating? couldn't you have been emigrating? couldn't he have been emigrating? couldn't we have been emigrating? couldn't you have been emigrating? couldn't they have been emigrating?