could backload
Regular verb: backload - backloaded- backloaded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could backload
you could backload
he could backload
we could backload
you could backload
they could backload 	I could be backloading
you could be backloading
he could be backloading
we could be backloading
you could be backloading
they could be backloading	I could have backloaded
you could have backloaded
he could have backloaded
we could have backloaded
you could have backloaded
they could have backloaded	I could have been backloading
you could have been backloading
he could have been backloading
we could have been backloading
you could have been backloading
they could have been backloading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't backload
you couldn't backload
he couldn't backload
we couldn't backload
you couldn't backload
they couldn't backload 	I couldn't be backloading
you couldn't be backloading
he couldn't be backloading
we couldn't be backloading
you couldn't be backloading
they couldn't be backloading	I couldn't have backloaded
you couldn't have backloaded
he couldn't have backloaded
we couldn't have backloaded
you couldn't have backloaded
they couldn't have backloaded	I couldn't have been backloading
you couldn't have been backloading
he couldn't have been backloading
we couldn't have been backloading
you couldn't have been backloading
they couldn't have been backloading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I backload?
could you backload?
could he backload?
could we backload?
could you backload?
could they backload? 	could I be backloading?
could you be backloading?
could he be backloading?
could we be backloading?
could you be backloading?
could they be backloading? 	could I have backloaded?
could you have backloaded?
could he have backloaded?
could we have backloaded?
could you have backloaded?
could they have backloaded? 	could I have been backloading?
could you have been backloading?
could he have been backloading?
could we have been backloading?
could you have been backloading?
could they have been backloading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I backload?
couldn't you backload?
couldn't he backload?
couldn't we backload?
couldn't you backload?
couldn't they backload? 	couldn't I be backloading?
couldn't you be backloading?
couldn't he be backloading?
couldn't we be backloading?
couldn't you be backloading?
couldn't they be backloading? 	couldn't I have backloaded?
couldn't you have backloaded?
couldn't he have backloaded?
couldn't we have backloaded?
couldn't you have backloaded?
couldn't they have backloaded? 	couldn't I have been backloading?
couldn't you have been backloading?
couldn't he have been backloading?
couldn't we have been backloading?
couldn't you have been backloading?
couldn't they have been backloading?