English verb conjugation
COULD DEMOUNT

Regular verb: demount - demounted - demounted

Affirmation

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