I could migrate you could migrate she could migrate we could migrate you could migrate they could migrate
Forma com V-ing
I could be migrating you could be migrating she could be migrating we could be migrating you could be migrating they could be migrating
Perfeito
I could have migrated you could have migrated she could have migrated we could have migrated you could have migrated they could have migrated
Perfeito com V-ing
I could have been migrating you could have been migrating she could have been migrating we could have been migrating you could have been migrating they could have been migrating
Negação
Forma simple
I couldn't migrate you couldn't migrate she couldn't migrate we couldn't migrate you couldn't migrate they couldn't migrate
Forma com V-ing
I couldn't be migrating you couldn't be migrating she couldn't be migrating we couldn't be migrating you couldn't be migrating they couldn't be migrating
Perfeito
I couldn't have migrated you couldn't have migrated she couldn't have migrated we couldn't have migrated you couldn't have migrated they couldn't have migrated
Perfeito com V-ing
I couldn't have been migrating you couldn't have been migrating she couldn't have been migrating we couldn't have been migrating you couldn't have been migrating they couldn't have been migrating
Forma interrogativa
Forma simple
could I migrate? could you migrate? could she migrate? could we migrate? could you migrate? could they migrate?
Forma com V-ing
could I be migrating? could you be migrating? could she be migrating? could we be migrating? could you be migrating? could they be migrating?
Perfeito
could I have migrated? could you have migrated? could she have migrated? could we have migrated? could you have migrated? could they have migrated?
Perfeito com V-ing
could I have been migrating? could you have been migrating? could she have been migrating? could we have been migrating? could you have been migrating? could they have been migrating?
Forma interro-Negação
Forma simple
couldn't I migrate? couldn't you migrate? couldn't she migrate? couldn't we migrate? couldn't you migrate? couldn't they migrate?
Forma com V-ing
couldn't I be migrating? couldn't you be migrating? couldn't she be migrating? couldn't we be migrating? couldn't you be migrating? couldn't they be migrating?
Perfeito
couldn't I have migrated? couldn't you have migrated? couldn't she have migrated? couldn't we have migrated? couldn't you have migrated? couldn't they have migrated?
Perfeito com V-ing
couldn't I have been migrating? couldn't you have been migrating? couldn't she have been migrating? couldn't we have been migrating? couldn't you have been migrating? couldn't they have been migrating?