could shanghai
Regular verb: shanghai - shanghaied- shanghaied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could shanghai
you could shanghai
she could shanghai
we could shanghai
you could shanghai
they could shanghai 	I could be shanghaiing
you could be shanghaiing
she could be shanghaiing
we could be shanghaiing
you could be shanghaiing
they could be shanghaiing	I could have shanghaied
you could have shanghaied
she could have shanghaied
we could have shanghaied
you could have shanghaied
they could have shanghaied	I could have been shanghaiing
you could have been shanghaiing
she could have been shanghaiing
we could have been shanghaiing
you could have been shanghaiing
they could have been shanghaiing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't shanghai
you couldn't shanghai
she couldn't shanghai
we couldn't shanghai
you couldn't shanghai
they couldn't shanghai 	I couldn't be shanghaiing
you couldn't be shanghaiing
she couldn't be shanghaiing
we couldn't be shanghaiing
you couldn't be shanghaiing
they couldn't be shanghaiing	I couldn't have shanghaied
you couldn't have shanghaied
she couldn't have shanghaied
we couldn't have shanghaied
you couldn't have shanghaied
they couldn't have shanghaied	I couldn't have been shanghaiing
you couldn't have been shanghaiing
she couldn't have been shanghaiing
we couldn't have been shanghaiing
you couldn't have been shanghaiing
they couldn't have been shanghaiing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I shanghai?
could you shanghai?
could she shanghai?
could we shanghai?
could you shanghai?
could they shanghai? 	could I be shanghaiing?
could you be shanghaiing?
could she be shanghaiing?
could we be shanghaiing?
could you be shanghaiing?
could they be shanghaiing? 	could I have shanghaied?
could you have shanghaied?
could she have shanghaied?
could we have shanghaied?
could you have shanghaied?
could they have shanghaied? 	could I have been shanghaiing?
could you have been shanghaiing?
could she have been shanghaiing?
could we have been shanghaiing?
could you have been shanghaiing?
could they have been shanghaiing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I shanghai?
couldn't you shanghai?
couldn't she shanghai?
couldn't we shanghai?
couldn't you shanghai?
couldn't they shanghai? 	couldn't I be shanghaiing?
couldn't you be shanghaiing?
couldn't she be shanghaiing?
couldn't we be shanghaiing?
couldn't you be shanghaiing?
couldn't they be shanghaiing? 	couldn't I have shanghaied?
couldn't you have shanghaied?
couldn't she have shanghaied?
couldn't we have shanghaied?
couldn't you have shanghaied?
couldn't they have shanghaied? 	couldn't I have been shanghaiing?
couldn't you have been shanghaiing?
couldn't she have been shanghaiing?
couldn't we have been shanghaiing?
couldn't you have been shanghaiing?
couldn't they have been shanghaiing?