could backlog
Regular verb: backlog - backloged- backloged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could backlog
you could backlog
he could backlog
we could backlog
you could backlog
they could backlog 	I could be backloging
you could be backloging
he could be backloging
we could be backloging
you could be backloging
they could be backloging	I could have backloged
you could have backloged
he could have backloged
we could have backloged
you could have backloged
they could have backloged	I could have been backloging
you could have been backloging
he could have been backloging
we could have been backloging
you could have been backloging
they could have been backloging	

Negation 	
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I couldn't backlog
you couldn't backlog
he couldn't backlog
we couldn't backlog
you couldn't backlog
they couldn't backlog 	I couldn't be backloging
you couldn't be backloging
he couldn't be backloging
we couldn't be backloging
you couldn't be backloging
they couldn't be backloging	I couldn't have backloged
you couldn't have backloged
he couldn't have backloged
we couldn't have backloged
you couldn't have backloged
they couldn't have backloged	I couldn't have been backloging
you couldn't have been backloging
he couldn't have been backloging
we couldn't have been backloging
you couldn't have been backloging
they couldn't have been backloging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I backlog?
could you backlog?
could he backlog?
could we backlog?
could you backlog?
could they backlog? 	could I be backloging?
could you be backloging?
could he be backloging?
could we be backloging?
could you be backloging?
could they be backloging? 	could I have backloged?
could you have backloged?
could he have backloged?
could we have backloged?
could you have backloged?
could they have backloged? 	could I have been backloging?
could you have been backloging?
could he have been backloging?
could we have been backloging?
could you have been backloging?
could they have been backloging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I backlog?
couldn't you backlog?
couldn't he backlog?
couldn't we backlog?
couldn't you backlog?
couldn't they backlog? 	couldn't I be backloging?
couldn't you be backloging?
couldn't he be backloging?
couldn't we be backloging?
couldn't you be backloging?
couldn't they be backloging? 	couldn't I have backloged?
couldn't you have backloged?
couldn't he have backloged?
couldn't we have backloged?
couldn't you have backloged?
couldn't they have backloged? 	couldn't I have been backloging?
couldn't you have been backloging?
couldn't he have been backloging?
couldn't we have been backloging?
couldn't you have been backloging?
couldn't they have been backloging?