English verb conjugation
COULD IMMIGRATE

Regular verb: immigrate - immigrated - immigrated

Affirmation

Simple form	V-ing form
I could immigrate you could immigrate he could immigrate we could immigrate you could immigrate they could immigrate	I could be immigrating you could be immigrating he could be immigrating we could be immigrating you could be immigrating they could be immigrating
Perfect	V-ing perfect
I could have immigrated you could have immigrated he could have immigrated we could have immigrated you could have immigrated they could have immigrated	I could have been immigrating you could have been immigrating he could have been immigrating we could have been immigrating you could have been immigrating they could have been immigrating

Negation

Simple form	V-ing form
I couldn't immigrate you couldn't immigrate he couldn't immigrate we couldn't immigrate you couldn't immigrate they couldn't immigrate	I couldn't be immigrating you couldn't be immigrating he couldn't be immigrating we couldn't be immigrating you couldn't be immigrating they couldn't be immigrating
Perfect	V-ing perfect
I couldn't have immigrated you couldn't have immigrated he couldn't have immigrated we couldn't have immigrated you couldn't have immigrated they couldn't have immigrated	I couldn't have been immigrating you couldn't have been immigrating he couldn't have been immigrating we couldn't have been immigrating you couldn't have been immigrating they couldn't have been immigrating

Interrogative form

Simple form	V-ing form
could I immigrate? could you immigrate? could he immigrate? could we immigrate? could you immigrate? could they immigrate?	could I be immigrating? could you be immigrating? could he be immigrating? could we be immigrating? could you be immigrating? could they be immigrating?
Perfect	V-ing perfect
could I have immigrated? could you have immigrated? could he have immigrated? could we have immigrated? could you have immigrated? could they have immigrated?	could I have been immigrating? could you have been immigrating? could he have been immigrating? could we have been immigrating? could you have been immigrating? could they have been immigrating?

Interro-negative form

Simple form	V-ing form
couldn't I immigrate? couldn't you immigrate? couldn't he immigrate? couldn't we immigrate? couldn't you immigrate? couldn't they immigrate?	couldn't I be immigrating? couldn't you be immigrating? couldn't he be immigrating? couldn't we be immigrating? couldn't you be immigrating? couldn't they be immigrating?
Perfect	V-ing perfect
couldn't I have immigrated? couldn't you have immigrated? couldn't he have immigrated? couldn't we have immigrated? couldn't you have immigrated? couldn't they have immigrated?	couldn't I have been immigrating? couldn't you have been immigrating? couldn't he have been immigrating? couldn't we have been immigrating? couldn't you have been immigrating? couldn't they have been immigrating?