English verb conjugation
CAN BAA

Regular verb: baa - baaed - baaed

Affirmation

Simple form	V-ing form
I can baa you can baa he can baa we can baa you can baa they can baa	I can be baaing you can be baaing he can be baaing we can be baaing you can be baaing they can be baaing
Perfect	V-ing perfect
I can have baaed you can have baaed he can have baaed we can have baaed you can have baaed they can have baaed	I can have been baaing you can have been baaing he can have been baaing we can have been baaing you can have been baaing they can have been baaing

Negation

Simple form	V-ing form
I can't baa you can't baa he can't baa we can't baa you can't baa they can't baa	I can't be baaing you can't be baaing he can't be baaing we can't be baaing you can't be baaing they can't be baaing
Perfect	V-ing perfect
I can't have baaed you can't have baaed he can't have baaed we can't have baaed you can't have baaed they can't have baaed	I can't have been baaing you can't have been baaing he can't have been baaing we can't have been baaing you can't have been baaing they can't have been baaing

Interrogative form

Simple form	V-ing form
can I baa? can you baa? can he baa? can we baa? can you baa? can they baa?	can I be baaing? can you be baaing? can he be baaing? can we be baaing? can you be baaing? can they be baaing?
Perfect	V-ing perfect
can I have baaed? can you have baaed? can he have baaed? can we have baaed? can you have baaed? can they have baaed?	can I have been baaing? can you have been baaing? can he have been baaing? can we have been baaing? can you have been baaing? can they have been baaing?

Interro-negative form

Simple form	V-ing form
can't I baa? can't you baa? can't he baa? can't we baa? can't you baa? can't they baa?	can't I be baaing? can't you be baaing? can't he be baaing? can't we be baaing? can't you be baaing? can't they be baaing?
Perfect	V-ing perfect
can't I have baaed? can't you have baaed? can't he have baaed? can't we have baaed? can't you have baaed? can't they have baaed?	can't I have been baaing? can't you have been baaing? can't he have been baaing? can't we have been baaing? can't you have been baaing? can't they have been baaing?