could freeze-dry
Regular verb: freeze-dry - freeze-dried- freeze-dried

Affirmation 	
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I could freeze-dry
you could freeze-dry
he could freeze-dry
we could freeze-dry
you could freeze-dry
they could freeze-dry 	I could be freeze-drying
you could be freeze-drying
he could be freeze-drying
we could be freeze-drying
you could be freeze-drying
they could be freeze-drying	I could have freeze-dried
you could have freeze-dried
he could have freeze-dried
we could have freeze-dried
you could have freeze-dried
they could have freeze-dried	I could have been freeze-drying
you could have been freeze-drying
he could have been freeze-drying
we could have been freeze-drying
you could have been freeze-drying
they could have been freeze-drying	

Negation 	
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I couldn't freeze-dry
you couldn't freeze-dry
he couldn't freeze-dry
we couldn't freeze-dry
you couldn't freeze-dry
they couldn't freeze-dry 	I couldn't be freeze-drying
you couldn't be freeze-drying
he couldn't be freeze-drying
we couldn't be freeze-drying
you couldn't be freeze-drying
they couldn't be freeze-drying	I couldn't have freeze-dried
you couldn't have freeze-dried
he couldn't have freeze-dried
we couldn't have freeze-dried
you couldn't have freeze-dried
they couldn't have freeze-dried	I couldn't have been freeze-drying
you couldn't have been freeze-drying
he couldn't have been freeze-drying
we couldn't have been freeze-drying
you couldn't have been freeze-drying
they couldn't have been freeze-drying	

Interrogative form 	
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could I freeze-dry?
could you freeze-dry?
could he freeze-dry?
could we freeze-dry?
could you freeze-dry?
could they freeze-dry? 	could I be freeze-drying?
could you be freeze-drying?
could he be freeze-drying?
could we be freeze-drying?
could you be freeze-drying?
could they be freeze-drying? 	could I have freeze-dried?
could you have freeze-dried?
could he have freeze-dried?
could we have freeze-dried?
could you have freeze-dried?
could they have freeze-dried? 	could I have been freeze-drying?
could you have been freeze-drying?
could he have been freeze-drying?
could we have been freeze-drying?
could you have been freeze-drying?
could they have been freeze-drying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I freeze-dry?
couldn't you freeze-dry?
couldn't he freeze-dry?
couldn't we freeze-dry?
couldn't you freeze-dry?
couldn't they freeze-dry? 	couldn't I be freeze-drying?
couldn't you be freeze-drying?
couldn't he be freeze-drying?
couldn't we be freeze-drying?
couldn't you be freeze-drying?
couldn't they be freeze-drying? 	couldn't I have freeze-dried?
couldn't you have freeze-dried?
couldn't he have freeze-dried?
couldn't we have freeze-dried?
couldn't you have freeze-dried?
couldn't they have freeze-dried? 	couldn't I have been freeze-drying?
couldn't you have been freeze-drying?
couldn't he have been freeze-drying?
couldn't we have been freeze-drying?
couldn't you have been freeze-drying?
couldn't they have been freeze-drying?