could live
Regular verb: live - lived- lived

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could live
you could live
she could live
we could live
you could live
they could live 	I could be living
you could be living
she could be living
we could be living
you could be living
they could be living	I could have lived
you could have lived
she could have lived
we could have lived
you could have lived
they could have lived	I could have been living
you could have been living
she could have been living
we could have been living
you could have been living
they could have been living	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not live
you could not live
she could not live
we could not live
you could not live
they could not live 	I could not be living
you could not be living
she could not be living
we could not be living
you could not be living
they could not be living	I could not have lived
you could not have lived
she could not have lived
we could not have lived
you could not have lived
they could not have lived	I could not have been living
you could not have been living
she could not have been living
we could not have been living
you could not have been living
they could not have been living	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I live?
could you live?
could she live?
could we live?
could you live?
could they live? 	could I be living?
could you be living?
could she be living?
could we be living?
could you be living?
could they be living? 	could I have lived?
could you have lived?
could she have lived?
could we have lived?
could you have lived?
could they have lived? 	could I have been living?
could you have been living?
could she have been living?
could we have been living?
could you have been living?
could they have been living? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not live?
could you not live?
could she not live?
could we not live?
could you not live?
could they not live? 	could I not be living?
could you not be living?
could she not be living?
could we not be living?
could you not be living?
could they not be living? 	could I not have lived?
could you not have lived?
could she not have lived?
could we not have lived?
could you not have lived?
could they not have lived? 	could I not have been living?
could you not have been living?
could she not have been living?
could we not have been living?
could you not have been living?
could they not have been living?