could detox
Regular verb: detox - detoxed- detoxed

Affirmation 	
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I could detox
you could detox
he could detox
we could detox
you could detox
they could detox 	I could be detoxing
you could be detoxing
he could be detoxing
we could be detoxing
you could be detoxing
they could be detoxing	I could have detoxed
you could have detoxed
he could have detoxed
we could have detoxed
you could have detoxed
they could have detoxed	I could have been detoxing
you could have been detoxing
he could have been detoxing
we could have been detoxing
you could have been detoxing
they could have been detoxing	

Negation 	
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I couldn't detox
you couldn't detox
he couldn't detox
we couldn't detox
you couldn't detox
they couldn't detox 	I couldn't be detoxing
you couldn't be detoxing
he couldn't be detoxing
we couldn't be detoxing
you couldn't be detoxing
they couldn't be detoxing	I couldn't have detoxed
you couldn't have detoxed
he couldn't have detoxed
we couldn't have detoxed
you couldn't have detoxed
they couldn't have detoxed	I couldn't have been detoxing
you couldn't have been detoxing
he couldn't have been detoxing
we couldn't have been detoxing
you couldn't have been detoxing
they couldn't have been detoxing	

Interrogative form 	
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could I detox?
could you detox?
could he detox?
could we detox?
could you detox?
could they detox? 	could I be detoxing?
could you be detoxing?
could he be detoxing?
could we be detoxing?
could you be detoxing?
could they be detoxing? 	could I have detoxed?
could you have detoxed?
could he have detoxed?
could we have detoxed?
could you have detoxed?
could they have detoxed? 	could I have been detoxing?
could you have been detoxing?
could he have been detoxing?
could we have been detoxing?
could you have been detoxing?
could they have been detoxing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I detox?
couldn't you detox?
couldn't he detox?
couldn't we detox?
couldn't you detox?
couldn't they detox? 	couldn't I be detoxing?
couldn't you be detoxing?
couldn't he be detoxing?
couldn't we be detoxing?
couldn't you be detoxing?
couldn't they be detoxing? 	couldn't I have detoxed?
couldn't you have detoxed?
couldn't he have detoxed?
couldn't we have detoxed?
couldn't you have detoxed?
couldn't they have detoxed? 	couldn't I have been detoxing?
couldn't you have been detoxing?
couldn't he have been detoxing?
couldn't we have been detoxing?
couldn't you have been detoxing?
couldn't they have been detoxing?