could imbibe
Regular verb: imbibe - imbibed- imbibed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could imbibe
you could imbibe
he could imbibe
we could imbibe
you could imbibe
they could imbibe 	I could be imbibing
you could be imbibing
he could be imbibing
we could be imbibing
you could be imbibing
they could be imbibing	I could have imbibed
you could have imbibed
he could have imbibed
we could have imbibed
you could have imbibed
they could have imbibed	I could have been imbibing
you could have been imbibing
he could have been imbibing
we could have been imbibing
you could have been imbibing
they could have been imbibing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not imbibe
you could not imbibe
he could not imbibe
we could not imbibe
you could not imbibe
they could not imbibe 	I could not be imbibing
you could not be imbibing
he could not be imbibing
we could not be imbibing
you could not be imbibing
they could not be imbibing	I could not have imbibed
you could not have imbibed
he could not have imbibed
we could not have imbibed
you could not have imbibed
they could not have imbibed	I could not have been imbibing
you could not have been imbibing
he could not have been imbibing
we could not have been imbibing
you could not have been imbibing
they could not have been imbibing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I imbibe?
could you imbibe?
could he imbibe?
could we imbibe?
could you imbibe?
could they imbibe? 	could I be imbibing?
could you be imbibing?
could he be imbibing?
could we be imbibing?
could you be imbibing?
could they be imbibing? 	could I have imbibed?
could you have imbibed?
could he have imbibed?
could we have imbibed?
could you have imbibed?
could they have imbibed? 	could I have been imbibing?
could you have been imbibing?
could he have been imbibing?
could we have been imbibing?
could you have been imbibing?
could they have been imbibing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not imbibe?
could you not imbibe?
could he not imbibe?
could we not imbibe?
could you not imbibe?
could they not imbibe? 	could I not be imbibing?
could you not be imbibing?
could he not be imbibing?
could we not be imbibing?
could you not be imbibing?
could they not be imbibing? 	could I not have imbibed?
could you not have imbibed?
could he not have imbibed?
could we not have imbibed?
could you not have imbibed?
could they not have imbibed? 	could I not have been imbibing?
could you not have been imbibing?
could he not have been imbibing?
could we not have been imbibing?
could you not have been imbibing?
could they not have been imbibing?