I can dance you can dance she can dance we can dance you can dance they can dance
V-ing form
I can be dancing you can be dancing she can be dancing we can be dancing you can be dancing they can be dancing
Perfect
I can have danced you can have danced she can have danced we can have danced you can have danced they can have danced
V-ing perfect
I can have been dancing you can have been dancing she can have been dancing we can have been dancing you can have been dancing they can have been dancing
Negation
Simple form
I can't dance you can't dance she can't dance we can't dance you can't dance they can't dance
V-ing form
I can't be dancing you can't be dancing she can't be dancing we can't be dancing you can't be dancing they can't be dancing
Perfect
I can't have danced you can't have danced she can't have danced we can't have danced you can't have danced they can't have danced
V-ing perfect
I can't have been dancing you can't have been dancing she can't have been dancing we can't have been dancing you can't have been dancing they can't have been dancing
Interrogative form
Simple form
can I dance? can you dance? can she dance? can we dance? can you dance? can they dance?
V-ing form
can I be dancing? can you be dancing? can she be dancing? can we be dancing? can you be dancing? can they be dancing?
Perfect
can I have danced? can you have danced? can she have danced? can we have danced? can you have danced? can they have danced?
V-ing perfect
can I have been dancing? can you have been dancing? can she have been dancing? can we have been dancing? can you have been dancing? can they have been dancing?
Interro-negative form
Simple form
can't I dance? can't you dance? can't she dance? can't we dance? can't you dance? can't they dance?
V-ing form
can't I be dancing? can't you be dancing? can't she be dancing? can't we be dancing? can't you be dancing? can't they be dancing?
Perfect
can't I have danced? can't you have danced? can't she have danced? can't we have danced? can't you have danced? can't they have danced?
V-ing perfect
can't I have been dancing? can't you have been dancing? can't she have been dancing? can't we have been dancing? can't you have been dancing? can't they have been dancing?