English verb conjugation
COULD BREAK-DANCE

Regular verb: break-dance - break-danced - break-danced

Affirmation

Simple form	V-ing form
I could break-dance you could break-dance she could break-dance we could break-dance you could break-dance they could break-dance	I could be break-dancing you could be break-dancing she could be break-dancing we could be break-dancing you could be break-dancing they could be break-dancing
Perfect	V-ing perfect
I could have break-danced you could have break-danced she could have break-danced we could have break-danced you could have break-danced they could have break-danced	I could have been break-dancing you could have been break-dancing she could have been break-dancing we could have been break-dancing you could have been break-dancing they could have been break-dancing

Negation

Simple form	V-ing form
I couldn't break-dance you couldn't break-dance she couldn't break-dance we couldn't break-dance you couldn't break-dance they couldn't break-dance	I couldn't be break-dancing you couldn't be break-dancing she couldn't be break-dancing we couldn't be break-dancing you couldn't be break-dancing they couldn't be break-dancing
Perfect	V-ing perfect
I couldn't have break-danced you couldn't have break-danced she couldn't have break-danced we couldn't have break-danced you couldn't have break-danced they couldn't have break-danced	I couldn't have been break-dancing you couldn't have been break-dancing she couldn't have been break-dancing we couldn't have been break-dancing you couldn't have been break-dancing they couldn't have been break-dancing

Interrogative form

Simple form	V-ing form
could I break-dance? could you break-dance? could she break-dance? could we break-dance? could you break-dance? could they break-dance?	could I be break-dancing? could you be break-dancing? could she be break-dancing? could we be break-dancing? could you be break-dancing? could they be break-dancing?
Perfect	V-ing perfect
could I have break-danced? could you have break-danced? could she have break-danced? could we have break-danced? could you have break-danced? could they have break-danced?	could I have been break-dancing? could you have been break-dancing? could she have been break-dancing? could we have been break-dancing? could you have been break-dancing? could they have been break-dancing?

Interro-negative form

Simple form	V-ing form
couldn't I break-dance? couldn't you break-dance? couldn't she break-dance? couldn't we break-dance? couldn't you break-dance? couldn't they break-dance?	couldn't I be break-dancing? couldn't you be break-dancing? couldn't she be break-dancing? couldn't we be break-dancing? couldn't you be break-dancing? couldn't they be break-dancing?
Perfect	V-ing perfect
couldn't I have break-danced? couldn't you have break-danced? couldn't she have break-danced? couldn't we have break-danced? couldn't you have break-danced? couldn't they have break-danced?	couldn't I have been break-dancing? couldn't you have been break-dancing? couldn't she have been break-dancing? couldn't we have been break-dancing? couldn't you have been break-dancing? couldn't they have been break-dancing?