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