could jade
Regular verb: jade - jaded- jaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could jade
you could jade
he could jade
we could jade
you could jade
they could jade 	I could be jading
you could be jading
he could be jading
we could be jading
you could be jading
they could be jading	I could have jaded
you could have jaded
he could have jaded
we could have jaded
you could have jaded
they could have jaded	I could have been jading
you could have been jading
he could have been jading
we could have been jading
you could have been jading
they could have been jading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't jade
you couldn't jade
he couldn't jade
we couldn't jade
you couldn't jade
they couldn't jade 	I couldn't be jading
you couldn't be jading
he couldn't be jading
we couldn't be jading
you couldn't be jading
they couldn't be jading	I couldn't have jaded
you couldn't have jaded
he couldn't have jaded
we couldn't have jaded
you couldn't have jaded
they couldn't have jaded	I couldn't have been jading
you couldn't have been jading
he couldn't have been jading
we couldn't have been jading
you couldn't have been jading
they couldn't have been jading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I jade?
could you jade?
could he jade?
could we jade?
could you jade?
could they jade? 	could I be jading?
could you be jading?
could he be jading?
could we be jading?
could you be jading?
could they be jading? 	could I have jaded?
could you have jaded?
could he have jaded?
could we have jaded?
could you have jaded?
could they have jaded? 	could I have been jading?
could you have been jading?
could he have been jading?
could we have been jading?
could you have been jading?
could they have been jading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I jade?
couldn't you jade?
couldn't he jade?
couldn't we jade?
couldn't you jade?
couldn't they jade? 	couldn't I be jading?
couldn't you be jading?
couldn't he be jading?
couldn't we be jading?
couldn't you be jading?
couldn't they be jading? 	couldn't I have jaded?
couldn't you have jaded?
couldn't he have jaded?
couldn't we have jaded?
couldn't you have jaded?
couldn't they have jaded? 	couldn't I have been jading?
couldn't you have been jading?
couldn't he have been jading?
couldn't we have been jading?
couldn't you have been jading?
couldn't they have been jading?