I can taboo you can taboo she can taboo we can taboo you can taboo they can taboo
V-ing form
I can be tabooing you can be tabooing she can be tabooing we can be tabooing you can be tabooing they can be tabooing
Perfect
I can have tabooed you can have tabooed she can have tabooed we can have tabooed you can have tabooed they can have tabooed
V-ing perfect
I can have been tabooing you can have been tabooing she can have been tabooing we can have been tabooing you can have been tabooing they can have been tabooing
Negation
Simple form
I can't taboo you can't taboo she can't taboo we can't taboo you can't taboo they can't taboo
V-ing form
I can't be tabooing you can't be tabooing she can't be tabooing we can't be tabooing you can't be tabooing they can't be tabooing
Perfect
I can't have tabooed you can't have tabooed she can't have tabooed we can't have tabooed you can't have tabooed they can't have tabooed
V-ing perfect
I can't have been tabooing you can't have been tabooing she can't have been tabooing we can't have been tabooing you can't have been tabooing they can't have been tabooing
Interrogative form
Simple form
can I taboo? can you taboo? can she taboo? can we taboo? can you taboo? can they taboo?
V-ing form
can I be tabooing? can you be tabooing? can she be tabooing? can we be tabooing? can you be tabooing? can they be tabooing?
Perfect
can I have tabooed? can you have tabooed? can she have tabooed? can we have tabooed? can you have tabooed? can they have tabooed?
V-ing perfect
can I have been tabooing? can you have been tabooing? can she have been tabooing? can we have been tabooing? can you have been tabooing? can they have been tabooing?
Interro-negative form
Simple form
can't I taboo? can't you taboo? can't she taboo? can't we taboo? can't you taboo? can't they taboo?
V-ing form
can't I be tabooing? can't you be tabooing? can't she be tabooing? can't we be tabooing? can't you be tabooing? can't they be tabooing?
Perfect
can't I have tabooed? can't you have tabooed? can't she have tabooed? can't we have tabooed? can't you have tabooed? can't they have tabooed?
V-ing perfect
can't I have been tabooing? can't you have been tabooing? can't she have been tabooing? can't we have been tabooing? can't you have been tabooing? can't they have been tabooing?