English verb conjugation
CAN TAP-DANCE

Regular verb: tap-dance - tap-danced - tap-danced

Affirmation

Simple form	V-ing form
I can tap-dance you can tap-dance he can tap-dance we can tap-dance you can tap-dance they can tap-dance	I can be tap-dancing you can be tap-dancing he can be tap-dancing we can be tap-dancing you can be tap-dancing they can be tap-dancing
Perfect	V-ing perfect
I can have tap-danced you can have tap-danced he can have tap-danced we can have tap-danced you can have tap-danced they can have tap-danced	I can have been tap-dancing you can have been tap-dancing he can have been tap-dancing we can have been tap-dancing you can have been tap-dancing they can have been tap-dancing

Negation

Simple form	V-ing form
I can't tap-dance you can't tap-dance he can't tap-dance we can't tap-dance you can't tap-dance they can't tap-dance	I can't be tap-dancing you can't be tap-dancing he can't be tap-dancing we can't be tap-dancing you can't be tap-dancing they can't be tap-dancing
Perfect	V-ing perfect
I can't have tap-danced you can't have tap-danced he can't have tap-danced we can't have tap-danced you can't have tap-danced they can't have tap-danced	I can't have been tap-dancing you can't have been tap-dancing he can't have been tap-dancing we can't have been tap-dancing you can't have been tap-dancing they can't have been tap-dancing

Interrogative form

Simple form	V-ing form
can I tap-dance? can you tap-dance? can he tap-dance? can we tap-dance? can you tap-dance? can they tap-dance?	can I be tap-dancing? can you be tap-dancing? can he be tap-dancing? can we be tap-dancing? can you be tap-dancing? can they be tap-dancing?
Perfect	V-ing perfect
can I have tap-danced? can you have tap-danced? can he have tap-danced? can we have tap-danced? can you have tap-danced? can they have tap-danced?	can I have been tap-dancing? can you have been tap-dancing? can he have been tap-dancing? can we have been tap-dancing? can you have been tap-dancing? can they have been tap-dancing?

Interro-negative form

Simple form	V-ing form
can't I tap-dance? can't you tap-dance? can't he tap-dance? can't we tap-dance? can't you tap-dance? can't they tap-dance?	can't I be tap-dancing? can't you be tap-dancing? can't he be tap-dancing? can't we be tap-dancing? can't you be tap-dancing? can't they be tap-dancing?
Perfect	V-ing perfect
can't I have tap-danced? can't you have tap-danced? can't he have tap-danced? can't we have tap-danced? can't you have tap-danced? can't they have tap-danced?	can't I have been tap-dancing? can't you have been tap-dancing? can't he have been tap-dancing? can't we have been tap-dancing? can't you have been tap-dancing? can't they have been tap-dancing?