could demount
Regular verb: demount - demounted- demounted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could demount
you could demount
she could demount
we could demount
you could demount
they could demount 	I could be demounting
you could be demounting
she could be demounting
we could be demounting
you could be demounting
they could be demounting	I could have demounted
you could have demounted
she could have demounted
we could have demounted
you could have demounted
they could have demounted	I could have been demounting
you could have been demounting
she could have been demounting
we could have been demounting
you could have been demounting
they could have been demounting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't demount
you couldn't demount
she couldn't demount
we couldn't demount
you couldn't demount
they couldn't demount 	I couldn't be demounting
you couldn't be demounting
she couldn't be demounting
we couldn't be demounting
you couldn't be demounting
they couldn't be demounting	I couldn't have demounted
you couldn't have demounted
she couldn't have demounted
we couldn't have demounted
you couldn't have demounted
they couldn't have demounted	I couldn't have been demounting
you couldn't have been demounting
she couldn't have been demounting
we couldn't have been demounting
you couldn't have been demounting
they couldn't have been demounting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I demount?
could you demount?
could she demount?
could we demount?
could you demount?
could they demount? 	could I be demounting?
could you be demounting?
could she be demounting?
could we be demounting?
could you be demounting?
could they be demounting? 	could I have demounted?
could you have demounted?
could she have demounted?
could we have demounted?
could you have demounted?
could they have demounted? 	could I have been demounting?
could you have been demounting?
could she have been demounting?
could we have been demounting?
could you have been demounting?
could they have been demounting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I demount?
couldn't you demount?
couldn't she demount?
couldn't we demount?
couldn't you demount?
couldn't they demount? 	couldn't I be demounting?
couldn't you be demounting?
couldn't she be demounting?
couldn't we be demounting?
couldn't you be demounting?
couldn't they be demounting? 	couldn't I have demounted?
couldn't you have demounted?
couldn't she have demounted?
couldn't we have demounted?
couldn't you have demounted?
couldn't they have demounted? 	couldn't I have been demounting?
couldn't you have been demounting?
couldn't she have been demounting?
couldn't we have been demounting?
couldn't you have been demounting?
couldn't they have been demounting?