could merge
Regular verb: merge - merged- merged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could merge
you could merge
he could merge
we could merge
you could merge
they could merge 	I could be merging
you could be merging
he could be merging
we could be merging
you could be merging
they could be merging	I could have merged
you could have merged
he could have merged
we could have merged
you could have merged
they could have merged	I could have been merging
you could have been merging
he could have been merging
we could have been merging
you could have been merging
they could have been merging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't merge
you couldn't merge
he couldn't merge
we couldn't merge
you couldn't merge
they couldn't merge 	I couldn't be merging
you couldn't be merging
he couldn't be merging
we couldn't be merging
you couldn't be merging
they couldn't be merging	I couldn't have merged
you couldn't have merged
he couldn't have merged
we couldn't have merged
you couldn't have merged
they couldn't have merged	I couldn't have been merging
you couldn't have been merging
he couldn't have been merging
we couldn't have been merging
you couldn't have been merging
they couldn't have been merging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I merge?
could you merge?
could he merge?
could we merge?
could you merge?
could they merge? 	could I be merging?
could you be merging?
could he be merging?
could we be merging?
could you be merging?
could they be merging? 	could I have merged?
could you have merged?
could he have merged?
could we have merged?
could you have merged?
could they have merged? 	could I have been merging?
could you have been merging?
could he have been merging?
could we have been merging?
could you have been merging?
could they have been merging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I merge?
couldn't you merge?
couldn't he merge?
couldn't we merge?
couldn't you merge?
couldn't they merge? 	couldn't I be merging?
couldn't you be merging?
couldn't he be merging?
couldn't we be merging?
couldn't you be merging?
couldn't they be merging? 	couldn't I have merged?
couldn't you have merged?
couldn't he have merged?
couldn't we have merged?
couldn't you have merged?
couldn't they have merged? 	couldn't I have been merging?
couldn't you have been merging?
couldn't he have been merging?
couldn't we have been merging?
couldn't you have been merging?
couldn't they have been merging?