can boo
Regular verb: boo - booed- booed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can boo
you can boo
she can boo
we can boo
you can boo
they can boo 	I can be booing
you can be booing
she can be booing
we can be booing
you can be booing
they can be booing	I can have booed
you can have booed
she can have booed
we can have booed
you can have booed
they can have booed	I can have been booing
you can have been booing
she can have been booing
we can have been booing
you can have been booing
they can have been booing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't boo
you can't boo
she can't boo
we can't boo
you can't boo
they can't boo 	I can't be booing
you can't be booing
she can't be booing
we can't be booing
you can't be booing
they can't be booing	I can't have booed
you can't have booed
she can't have booed
we can't have booed
you can't have booed
they can't have booed	I can't have been booing
you can't have been booing
she can't have been booing
we can't have been booing
you can't have been booing
they can't have been booing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I boo?
can you boo?
can she boo?
can we boo?
can you boo?
can they boo? 	can I be booing?
can you be booing?
can she be booing?
can we be booing?
can you be booing?
can they be booing? 	can I have booed?
can you have booed?
can she have booed?
can we have booed?
can you have booed?
can they have booed? 	can I have been booing?
can you have been booing?
can she have been booing?
can we have been booing?
can you have been booing?
can they have been booing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I boo?
can't you boo?
can't she boo?
can't we boo?
can't you boo?
can't they boo? 	can't I be booing?
can't you be booing?
can't she be booing?
can't we be booing?
can't you be booing?
can't they be booing? 	can't I have booed?
can't you have booed?
can't she have booed?
can't we have booed?
can't you have booed?
can't they have booed? 	can't I have been booing?
can't you have been booing?
can't she have been booing?
can't we have been booing?
can't you have been booing?
can't they have been booing?