English verb conjugation
CAN BRAIN

Regular verb: brain - brained - brained

Affirmation

Simple form	V-ing form
I can brain you can brain he can brain we can brain you can brain they can brain	I can be braining you can be braining he can be braining we can be braining you can be braining they can be braining
Perfect	V-ing perfect
I can have brained you can have brained he can have brained we can have brained you can have brained they can have brained	I can have been braining you can have been braining he can have been braining we can have been braining you can have been braining they can have been braining

Negation

Simple form	V-ing form
I cannot brain you cannot brain he cannot brain we cannot brain you cannot brain they cannot brain	I cannot be braining you cannot be braining he cannot be braining we cannot be braining you cannot be braining they cannot be braining
Perfect	V-ing perfect
I cannot have brained you cannot have brained he cannot have brained we cannot have brained you cannot have brained they cannot have brained	I cannot have been braining you cannot have been braining he cannot have been braining we cannot have been braining you cannot have been braining they cannot have been braining

Interrogative form

Simple form	V-ing form
can I brain? can you brain? can he brain? can we brain? can you brain? can they brain?	can I be braining? can you be braining? can he be braining? can we be braining? can you be braining? can they be braining?
Perfect	V-ing perfect
can I have brained? can you have brained? can he have brained? can we have brained? can you have brained? can they have brained?	can I have been braining? can you have been braining? can he have been braining? can we have been braining? can you have been braining? can they have been braining?

Interro-negative form

Simple form	V-ing form
can I not brain? can you not brain? can he not brain? can we not brain? can you not brain? can they not brain?	can I not be braining? can you not be braining? can he not be braining? can we not be braining? can you not be braining? can they not be braining?
Perfect	V-ing perfect
can I not have brained? can you not have brained? can he not have brained? can we not have brained? can you not have brained? can they not have brained?	can I not have been braining? can you not have been braining? can he not have been braining? can we not have been braining? can you not have been braining? can they not have been braining?