could steward
Regular verb: steward - stewarded- stewarded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could steward
you could steward
she could steward
we could steward
you could steward
they could steward 	I could be stewarding
you could be stewarding
she could be stewarding
we could be stewarding
you could be stewarding
they could be stewarding	I could have stewarded
you could have stewarded
she could have stewarded
we could have stewarded
you could have stewarded
they could have stewarded	I could have been stewarding
you could have been stewarding
she could have been stewarding
we could have been stewarding
you could have been stewarding
they could have been stewarding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't steward
you couldn't steward
she couldn't steward
we couldn't steward
you couldn't steward
they couldn't steward 	I couldn't be stewarding
you couldn't be stewarding
she couldn't be stewarding
we couldn't be stewarding
you couldn't be stewarding
they couldn't be stewarding	I couldn't have stewarded
you couldn't have stewarded
she couldn't have stewarded
we couldn't have stewarded
you couldn't have stewarded
they couldn't have stewarded	I couldn't have been stewarding
you couldn't have been stewarding
she couldn't have been stewarding
we couldn't have been stewarding
you couldn't have been stewarding
they couldn't have been stewarding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I steward?
could you steward?
could she steward?
could we steward?
could you steward?
could they steward? 	could I be stewarding?
could you be stewarding?
could she be stewarding?
could we be stewarding?
could you be stewarding?
could they be stewarding? 	could I have stewarded?
could you have stewarded?
could she have stewarded?
could we have stewarded?
could you have stewarded?
could they have stewarded? 	could I have been stewarding?
could you have been stewarding?
could she have been stewarding?
could we have been stewarding?
could you have been stewarding?
could they have been stewarding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I steward?
couldn't you steward?
couldn't she steward?
couldn't we steward?
couldn't you steward?
couldn't they steward? 	couldn't I be stewarding?
couldn't you be stewarding?
couldn't she be stewarding?
couldn't we be stewarding?
couldn't you be stewarding?
couldn't they be stewarding? 	couldn't I have stewarded?
couldn't you have stewarded?
couldn't she have stewarded?
couldn't we have stewarded?
couldn't you have stewarded?
couldn't they have stewarded? 	couldn't I have been stewarding?
couldn't you have been stewarding?
couldn't she have been stewarding?
couldn't we have been stewarding?
couldn't you have been stewarding?
couldn't they have been stewarding?