I could dehydrogenate you could dehydrogenate he could dehydrogenate we could dehydrogenate you could dehydrogenate they could dehydrogenate
Forme en V-ing
I could be dehydrogenating you could be dehydrogenating he could be dehydrogenating we could be dehydrogenating you could be dehydrogenating they could be dehydrogenating
Perfect
I could have dehydrogenated you could have dehydrogenated he could have dehydrogenated we could have dehydrogenated you could have dehydrogenated they could have dehydrogenated
Perfect en V-ing
I could have been dehydrogenating you could have been dehydrogenating he could have been dehydrogenating we could have been dehydrogenating you could have been dehydrogenating they could have been dehydrogenating
Négation
Forme simple
I couldn't dehydrogenate you couldn't dehydrogenate he couldn't dehydrogenate we couldn't dehydrogenate you couldn't dehydrogenate they couldn't dehydrogenate
Forme en V-ing
I couldn't be dehydrogenating you couldn't be dehydrogenating he couldn't be dehydrogenating we couldn't be dehydrogenating you couldn't be dehydrogenating they couldn't be dehydrogenating
Perfect
I couldn't have dehydrogenated you couldn't have dehydrogenated he couldn't have dehydrogenated we couldn't have dehydrogenated you couldn't have dehydrogenated they couldn't have dehydrogenated
Perfect en V-ing
I couldn't have been dehydrogenating you couldn't have been dehydrogenating he couldn't have been dehydrogenating we couldn't have been dehydrogenating you couldn't have been dehydrogenating they couldn't have been dehydrogenating
Forme interrogative
Forme simple
could I dehydrogenate? could you dehydrogenate? could he dehydrogenate? could we dehydrogenate? could you dehydrogenate? could they dehydrogenate?
Forme en V-ing
could I be dehydrogenating? could you be dehydrogenating? could he be dehydrogenating? could we be dehydrogenating? could you be dehydrogenating? could they be dehydrogenating?
Perfect
could I have dehydrogenated? could you have dehydrogenated? could he have dehydrogenated? could we have dehydrogenated? could you have dehydrogenated? could they have dehydrogenated?
Perfect en V-ing
could I have been dehydrogenating? could you have been dehydrogenating? could he have been dehydrogenating? could we have been dehydrogenating? could you have been dehydrogenating? could they have been dehydrogenating?
Forme interro-négative
Forme simple
couldn't I dehydrogenate? couldn't you dehydrogenate? couldn't he dehydrogenate? couldn't we dehydrogenate? couldn't you dehydrogenate? couldn't they dehydrogenate?
Forme en V-ing
couldn't I be dehydrogenating? couldn't you be dehydrogenating? couldn't he be dehydrogenating? couldn't we be dehydrogenating? couldn't you be dehydrogenating? couldn't they be dehydrogenating?
Perfect
couldn't I have dehydrogenated? couldn't you have dehydrogenated? couldn't he have dehydrogenated? couldn't we have dehydrogenated? couldn't you have dehydrogenated? couldn't they have dehydrogenated?
Perfect en V-ing
couldn't I have been dehydrogenating? couldn't you have been dehydrogenating? couldn't he have been dehydrogenating? couldn't we have been dehydrogenating? couldn't you have been dehydrogenating? couldn't they have been dehydrogenating?