could taboo
Regular verb: taboo - tabooed- tabooed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could taboo
you could taboo
she could taboo
we could taboo
you could taboo
they could taboo 	I could be tabooing
you could be tabooing
she could be tabooing
we could be tabooing
you could be tabooing
they could be tabooing	I could have tabooed
you could have tabooed
she could have tabooed
we could have tabooed
you could have tabooed
they could have tabooed	I could have been tabooing
you could have been tabooing
she could have been tabooing
we could have been tabooing
you could have been tabooing
they could have been tabooing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not taboo
you could not taboo
she could not taboo
we could not taboo
you could not taboo
they could not taboo 	I could not be tabooing
you could not be tabooing
she could not be tabooing
we could not be tabooing
you could not be tabooing
they could not be tabooing	I could not have tabooed
you could not have tabooed
she could not have tabooed
we could not have tabooed
you could not have tabooed
they could not have tabooed	I could not have been tabooing
you could not have been tabooing
she could not have been tabooing
we could not have been tabooing
you could not have been tabooing
they could not have been tabooing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I taboo?
could you taboo?
could she taboo?
could we taboo?
could you taboo?
could they taboo? 	could I be tabooing?
could you be tabooing?
could she be tabooing?
could we be tabooing?
could you be tabooing?
could they be tabooing? 	could I have tabooed?
could you have tabooed?
could she have tabooed?
could we have tabooed?
could you have tabooed?
could they have tabooed? 	could I have been tabooing?
could you have been tabooing?
could she have been tabooing?
could we have been tabooing?
could you have been tabooing?
could they have been tabooing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not taboo?
could you not taboo?
could she not taboo?
could we not taboo?
could you not taboo?
could they not taboo? 	could I not be tabooing?
could you not be tabooing?
could she not be tabooing?
could we not be tabooing?
could you not be tabooing?
could they not be tabooing? 	could I not have tabooed?
could you not have tabooed?
could she not have tabooed?
could we not have tabooed?
could you not have tabooed?
could they not have tabooed? 	could I not have been tabooing?
could you not have been tabooing?
could she not have been tabooing?
could we not have been tabooing?
could you not have been tabooing?
could they not have been tabooing?