English verb conjugation
CAN CHURN

Regular verb: churn - churned - churned

Affirmation

Simple form	V-ing form
I can churn you can churn he can churn we can churn you can churn they can churn	I can be churning you can be churning he can be churning we can be churning you can be churning they can be churning
Perfect	V-ing perfect
I can have churned you can have churned he can have churned we can have churned you can have churned they can have churned	I can have been churning you can have been churning he can have been churning we can have been churning you can have been churning they can have been churning

Negation

Simple form	V-ing form
I can't churn you can't churn he can't churn we can't churn you can't churn they can't churn	I can't be churning you can't be churning he can't be churning we can't be churning you can't be churning they can't be churning
Perfect	V-ing perfect
I can't have churned you can't have churned he can't have churned we can't have churned you can't have churned they can't have churned	I can't have been churning you can't have been churning he can't have been churning we can't have been churning you can't have been churning they can't have been churning

Interrogative form

Simple form	V-ing form
can I churn? can you churn? can he churn? can we churn? can you churn? can they churn?	can I be churning? can you be churning? can he be churning? can we be churning? can you be churning? can they be churning?
Perfect	V-ing perfect
can I have churned? can you have churned? can he have churned? can we have churned? can you have churned? can they have churned?	can I have been churning? can you have been churning? can he have been churning? can we have been churning? can you have been churning? can they have been churning?

Interro-negative form

Simple form	V-ing form
can't I churn? can't you churn? can't he churn? can't we churn? can't you churn? can't they churn?	can't I be churning? can't you be churning? can't he be churning? can't we be churning? can't you be churning? can't they be churning?
Perfect	V-ing perfect
can't I have churned? can't you have churned? can't he have churned? can't we have churned? can't you have churned? can't they have churned?	can't I have been churning? can't you have been churning? can't he have been churning? can't we have been churning? can't you have been churning? can't they have been churning?