English verb conjugation
CAN DESTAIN

Regular verb: destain - destained - destained

Affirmation

Simple form	V-ing form
I can destain you can destain he can destain we can destain you can destain they can destain	I can be destaining you can be destaining he can be destaining we can be destaining you can be destaining they can be destaining
Perfect	V-ing perfect
I can have destained you can have destained he can have destained we can have destained you can have destained they can have destained	I can have been destaining you can have been destaining he can have been destaining we can have been destaining you can have been destaining they can have been destaining

Negation

Simple form	V-ing form
I can't destain you can't destain he can't destain we can't destain you can't destain they can't destain	I can't be destaining you can't be destaining he can't be destaining we can't be destaining you can't be destaining they can't be destaining
Perfect	V-ing perfect
I can't have destained you can't have destained he can't have destained we can't have destained you can't have destained they can't have destained	I can't have been destaining you can't have been destaining he can't have been destaining we can't have been destaining you can't have been destaining they can't have been destaining

Interrogative form

Simple form	V-ing form
can I destain? can you destain? can he destain? can we destain? can you destain? can they destain?	can I be destaining? can you be destaining? can he be destaining? can we be destaining? can you be destaining? can they be destaining?
Perfect	V-ing perfect
can I have destained? can you have destained? can he have destained? can we have destained? can you have destained? can they have destained?	can I have been destaining? can you have been destaining? can he have been destaining? can we have been destaining? can you have been destaining? can they have been destaining?

Interro-negative form

Simple form	V-ing form
can't I destain? can't you destain? can't he destain? can't we destain? can't you destain? can't they destain?	can't I be destaining? can't you be destaining? can't he be destaining? can't we be destaining? can't you be destaining? can't they be destaining?
Perfect	V-ing perfect
can't I have destained? can't you have destained? can't he have destained? can't we have destained? can't you have destained? can't they have destained?	can't I have been destaining? can't you have been destaining? can't he have been destaining? can't we have been destaining? can't you have been destaining? can't they have been destaining?