I can dehydrate you can dehydrate he can dehydrate we can dehydrate you can dehydrate they can dehydrate
V-ing form
I can be dehydrating you can be dehydrating he can be dehydrating we can be dehydrating you can be dehydrating they can be dehydrating
Perfect
I can have dehydrated you can have dehydrated he can have dehydrated we can have dehydrated you can have dehydrated they can have dehydrated
V-ing perfect
I can have been dehydrating you can have been dehydrating he can have been dehydrating we can have been dehydrating you can have been dehydrating they can have been dehydrating
Negation
Simple form
I cannot dehydrate you cannot dehydrate he cannot dehydrate we cannot dehydrate you cannot dehydrate they cannot dehydrate
V-ing form
I cannot be dehydrating you cannot be dehydrating he cannot be dehydrating we cannot be dehydrating you cannot be dehydrating they cannot be dehydrating
Perfect
I cannot have dehydrated you cannot have dehydrated he cannot have dehydrated we cannot have dehydrated you cannot have dehydrated they cannot have dehydrated
V-ing perfect
I cannot have been dehydrating you cannot have been dehydrating he cannot have been dehydrating we cannot have been dehydrating you cannot have been dehydrating they cannot have been dehydrating
Interrogative form
Simple form
can I dehydrate? can you dehydrate? can he dehydrate? can we dehydrate? can you dehydrate? can they dehydrate?
V-ing form
can I be dehydrating? can you be dehydrating? can he be dehydrating? can we be dehydrating? can you be dehydrating? can they be dehydrating?
Perfect
can I have dehydrated? can you have dehydrated? can he have dehydrated? can we have dehydrated? can you have dehydrated? can they have dehydrated?
V-ing perfect
can I have been dehydrating? can you have been dehydrating? can he have been dehydrating? can we have been dehydrating? can you have been dehydrating? can they have been dehydrating?
Interro-negative form
Simple form
can I not dehydrate? can you not dehydrate? can he not dehydrate? can we not dehydrate? can you not dehydrate? can they not dehydrate?
V-ing form
can I not be dehydrating? can you not be dehydrating? can he not be dehydrating? can we not be dehydrating? can you not be dehydrating? can they not be dehydrating?
Perfect
can I not have dehydrated? can you not have dehydrated? can he not have dehydrated? can we not have dehydrated? can you not have dehydrated? can they not have dehydrated?
V-ing perfect
can I not have been dehydrating? can you not have been dehydrating? can he not have been dehydrating? can we not have been dehydrating? can you not have been dehydrating? can they not have been dehydrating?