could dehydrate
Regular verb: dehydrate - dehydrated- dehydrated

Affirmation 	
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I could dehydrate
you could dehydrate
he could dehydrate
we could dehydrate
you could dehydrate
they could dehydrate 	I could be dehydrating
you could be dehydrating
he could be dehydrating
we could be dehydrating
you could be dehydrating
they could be dehydrating	I could have dehydrated
you could have dehydrated
he could have dehydrated
we could have dehydrated
you could have dehydrated
they could have dehydrated	I could have been dehydrating
you could have been dehydrating
he could have been dehydrating
we could have been dehydrating
you could have been dehydrating
they could have been dehydrating	

Negation 	
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I couldn't dehydrate
you couldn't dehydrate
he couldn't dehydrate
we couldn't dehydrate
you couldn't dehydrate
they couldn't dehydrate 	I couldn't be dehydrating
you couldn't be dehydrating
he couldn't be dehydrating
we couldn't be dehydrating
you couldn't be dehydrating
they couldn't be dehydrating	I couldn't have dehydrated
you couldn't have dehydrated
he couldn't have dehydrated
we couldn't have dehydrated
you couldn't have dehydrated
they couldn't have dehydrated	I couldn't have been dehydrating
you couldn't have been dehydrating
he couldn't have been dehydrating
we couldn't have been dehydrating
you couldn't have been dehydrating
they couldn't have been dehydrating	

Interrogative form 	
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could I dehydrate?
could you dehydrate?
could he dehydrate?
could we dehydrate?
could you dehydrate?
could they dehydrate? 	could I be dehydrating?
could you be dehydrating?
could he be dehydrating?
could we be dehydrating?
could you be dehydrating?
could they be dehydrating? 	could I have dehydrated?
could you have dehydrated?
could he have dehydrated?
could we have dehydrated?
could you have dehydrated?
could they have dehydrated? 	could I have been dehydrating?
could you have been dehydrating?
could he have been dehydrating?
could we have been dehydrating?
could you have been dehydrating?
could they have been dehydrating? 	

Interro-negative form 	
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couldn't I dehydrate?
couldn't you dehydrate?
couldn't he dehydrate?
couldn't we dehydrate?
couldn't you dehydrate?
couldn't they dehydrate? 	couldn't I be dehydrating?
couldn't you be dehydrating?
couldn't he be dehydrating?
couldn't we be dehydrating?
couldn't you be dehydrating?
couldn't they be dehydrating? 	couldn't I have dehydrated?
couldn't you have dehydrated?
couldn't he have dehydrated?
couldn't we have dehydrated?
couldn't you have dehydrated?
couldn't they have dehydrated? 	couldn't I have been dehydrating?
couldn't you have been dehydrating?
couldn't he have been dehydrating?
couldn't we have been dehydrating?
couldn't you have been dehydrating?
couldn't they have been dehydrating?