could surfeit
Regular verb: surfeit - surfeited- surfeited

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could surfeit
you could surfeit
she could surfeit
we could surfeit
you could surfeit
they could surfeit 	I could be surfeiting
you could be surfeiting
she could be surfeiting
we could be surfeiting
you could be surfeiting
they could be surfeiting	I could have surfeited
you could have surfeited
she could have surfeited
we could have surfeited
you could have surfeited
they could have surfeited	I could have been surfeiting
you could have been surfeiting
she could have been surfeiting
we could have been surfeiting
you could have been surfeiting
they could have been surfeiting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't surfeit
you couldn't surfeit
she couldn't surfeit
we couldn't surfeit
you couldn't surfeit
they couldn't surfeit 	I couldn't be surfeiting
you couldn't be surfeiting
she couldn't be surfeiting
we couldn't be surfeiting
you couldn't be surfeiting
they couldn't be surfeiting	I couldn't have surfeited
you couldn't have surfeited
she couldn't have surfeited
we couldn't have surfeited
you couldn't have surfeited
they couldn't have surfeited	I couldn't have been surfeiting
you couldn't have been surfeiting
she couldn't have been surfeiting
we couldn't have been surfeiting
you couldn't have been surfeiting
they couldn't have been surfeiting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I surfeit?
could you surfeit?
could she surfeit?
could we surfeit?
could you surfeit?
could they surfeit? 	could I be surfeiting?
could you be surfeiting?
could she be surfeiting?
could we be surfeiting?
could you be surfeiting?
could they be surfeiting? 	could I have surfeited?
could you have surfeited?
could she have surfeited?
could we have surfeited?
could you have surfeited?
could they have surfeited? 	could I have been surfeiting?
could you have been surfeiting?
could she have been surfeiting?
could we have been surfeiting?
could you have been surfeiting?
could they have been surfeiting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I surfeit?
couldn't you surfeit?
couldn't she surfeit?
couldn't we surfeit?
couldn't you surfeit?
couldn't they surfeit? 	couldn't I be surfeiting?
couldn't you be surfeiting?
couldn't she be surfeiting?
couldn't we be surfeiting?
couldn't you be surfeiting?
couldn't they be surfeiting? 	couldn't I have surfeited?
couldn't you have surfeited?
couldn't she have surfeited?
couldn't we have surfeited?
couldn't you have surfeited?
couldn't they have surfeited? 	couldn't I have been surfeiting?
couldn't you have been surfeiting?
couldn't she have been surfeiting?
couldn't we have been surfeiting?
couldn't you have been surfeiting?
couldn't they have been surfeiting?