could premix
Regular verb: premix - premixed- premixed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could premix
you could premix
he could premix
we could premix
you could premix
they could premix 	I could be premixing
you could be premixing
he could be premixing
we could be premixing
you could be premixing
they could be premixing	I could have premixed
you could have premixed
he could have premixed
we could have premixed
you could have premixed
they could have premixed	I could have been premixing
you could have been premixing
he could have been premixing
we could have been premixing
you could have been premixing
they could have been premixing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not premix
you could not premix
he could not premix
we could not premix
you could not premix
they could not premix 	I could not be premixing
you could not be premixing
he could not be premixing
we could not be premixing
you could not be premixing
they could not be premixing	I could not have premixed
you could not have premixed
he could not have premixed
we could not have premixed
you could not have premixed
they could not have premixed	I could not have been premixing
you could not have been premixing
he could not have been premixing
we could not have been premixing
you could not have been premixing
they could not have been premixing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I premix?
could you premix?
could he premix?
could we premix?
could you premix?
could they premix? 	could I be premixing?
could you be premixing?
could he be premixing?
could we be premixing?
could you be premixing?
could they be premixing? 	could I have premixed?
could you have premixed?
could he have premixed?
could we have premixed?
could you have premixed?
could they have premixed? 	could I have been premixing?
could you have been premixing?
could he have been premixing?
could we have been premixing?
could you have been premixing?
could they have been premixing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not premix?
could you not premix?
could he not premix?
could we not premix?
could you not premix?
could they not premix? 	could I not be premixing?
could you not be premixing?
could he not be premixing?
could we not be premixing?
could you not be premixing?
could they not be premixing? 	could I not have premixed?
could you not have premixed?
could he not have premixed?
could we not have premixed?
could you not have premixed?
could they not have premixed? 	could I not have been premixing?
could you not have been premixing?
could he not have been premixing?
could we not have been premixing?
could you not have been premixing?
could they not have been premixing?