English verb conjugation
CAN PREMIX

Regular verb: premix - premixed - premixed

Affirmation

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

Negation

Simple form	V-ing form
I can't premix you can't premix he can't premix we can't premix you can't premix they can't premix	I can't be premixing you can't be premixing he can't be premixing we can't be premixing you can't be premixing they can't be premixing
Perfect	V-ing perfect
I can't have premixed you can't have premixed he can't have premixed we can't have premixed you can't have premixed they can't have premixed	I can't have been premixing you can't have been premixing he can't have been premixing we can't have been premixing you can't have been premixing they can't have been premixing

Interrogative form

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

Interro-negative form

Simple form	V-ing form
can't I premix? can't you premix? can't he premix? can't we premix? can't you premix? can't they premix?	can't I be premixing? can't you be premixing? can't he be premixing? can't we be premixing? can't you be premixing? can't they be premixing?
Perfect	V-ing perfect
can't I have premixed? can't you have premixed? can't he have premixed? can't we have premixed? can't you have premixed? can't they have premixed?	can't I have been premixing? can't you have been premixing? can't he have been premixing? can't we have been premixing? can't you have been premixing? can't they have been premixing?