could fade
Regular verb: fade - faded- faded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could fade
you could fade
she could fade
we could fade
you could fade
they could fade 	I could be fading
you could be fading
she could be fading
we could be fading
you could be fading
they could be fading	I could have faded
you could have faded
she could have faded
we could have faded
you could have faded
they could have faded	I could have been fading
you could have been fading
she could have been fading
we could have been fading
you could have been fading
they could have been fading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't fade
you couldn't fade
she couldn't fade
we couldn't fade
you couldn't fade
they couldn't fade 	I couldn't be fading
you couldn't be fading
she couldn't be fading
we couldn't be fading
you couldn't be fading
they couldn't be fading	I couldn't have faded
you couldn't have faded
she couldn't have faded
we couldn't have faded
you couldn't have faded
they couldn't have faded	I couldn't have been fading
you couldn't have been fading
she couldn't have been fading
we couldn't have been fading
you couldn't have been fading
they couldn't have been fading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I fade?
could you fade?
could she fade?
could we fade?
could you fade?
could they fade? 	could I be fading?
could you be fading?
could she be fading?
could we be fading?
could you be fading?
could they be fading? 	could I have faded?
could you have faded?
could she have faded?
could we have faded?
could you have faded?
could they have faded? 	could I have been fading?
could you have been fading?
could she have been fading?
could we have been fading?
could you have been fading?
could they have been fading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I fade?
couldn't you fade?
couldn't she fade?
couldn't we fade?
couldn't you fade?
couldn't they fade? 	couldn't I be fading?
couldn't you be fading?
couldn't she be fading?
couldn't we be fading?
couldn't you be fading?
couldn't they be fading? 	couldn't I have faded?
couldn't you have faded?
couldn't she have faded?
couldn't we have faded?
couldn't you have faded?
couldn't they have faded? 	couldn't I have been fading?
couldn't you have been fading?
couldn't she have been fading?
couldn't we have been fading?
couldn't you have been fading?
couldn't they have been fading?