can baa
Regular verb: baa - baaed- baaed

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