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 could not immigrate you could not immigrate he could not immigrate we could not immigrate you could not immigrate they could not immigrate	I could not be immigrating you could not be immigrating he could not be immigrating we could not be immigrating you could not be immigrating they could not be immigrating
Perfect	V-ing perfect
I could not have immigrated you could not have immigrated he could not have immigrated we could not have immigrated you could not have immigrated they could not have immigrated	I could not have been immigrating you could not have been immigrating he could not have been immigrating we could not have been immigrating you could not have been immigrating they could not 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
could I not immigrate? could you not immigrate? could he not immigrate? could we not immigrate? could you not immigrate? could they not immigrate?	could I not be immigrating? could you not be immigrating? could he not be immigrating? could we not be immigrating? could you not be immigrating? could they not be immigrating?
Perfect	V-ing perfect
could I not have immigrated? could you not have immigrated? could he not have immigrated? could we not have immigrated? could you not have immigrated? could they not have immigrated?	could I not have been immigrating? could you not have been immigrating? could he not have been immigrating? could we not have been immigrating? could you not have been immigrating? could they not have been immigrating?