English verb conjugation
CAN BALLOON

Regular verb: balloon - ballooned - ballooned

Affirmation

Simple form	V-ing form
I can balloon you can balloon he can balloon we can balloon you can balloon they can balloon	I can be ballooning you can be ballooning he can be ballooning we can be ballooning you can be ballooning they can be ballooning
Perfect	V-ing perfect
I can have ballooned you can have ballooned he can have ballooned we can have ballooned you can have ballooned they can have ballooned	I can have been ballooning you can have been ballooning he can have been ballooning we can have been ballooning you can have been ballooning they can have been ballooning

Negation

Simple form	V-ing form
I can't balloon you can't balloon he can't balloon we can't balloon you can't balloon they can't balloon	I can't be ballooning you can't be ballooning he can't be ballooning we can't be ballooning you can't be ballooning they can't be ballooning
Perfect	V-ing perfect
I can't have ballooned you can't have ballooned he can't have ballooned we can't have ballooned you can't have ballooned they can't have ballooned	I can't have been ballooning you can't have been ballooning he can't have been ballooning we can't have been ballooning you can't have been ballooning they can't have been ballooning

Interrogative form

Simple form	V-ing form
can I balloon? can you balloon? can he balloon? can we balloon? can you balloon? can they balloon?	can I be ballooning? can you be ballooning? can he be ballooning? can we be ballooning? can you be ballooning? can they be ballooning?
Perfect	V-ing perfect
can I have ballooned? can you have ballooned? can he have ballooned? can we have ballooned? can you have ballooned? can they have ballooned?	can I have been ballooning? can you have been ballooning? can he have been ballooning? can we have been ballooning? can you have been ballooning? can they have been ballooning?

Interro-negative form

Simple form	V-ing form
can't I balloon? can't you balloon? can't he balloon? can't we balloon? can't you balloon? can't they balloon?	can't I be ballooning? can't you be ballooning? can't he be ballooning? can't we be ballooning? can't you be ballooning? can't they be ballooning?
Perfect	V-ing perfect
can't I have ballooned? can't you have ballooned? can't he have ballooned? can't we have ballooned? can't you have ballooned? can't they have ballooned?	can't I have been ballooning? can't you have been ballooning? can't he have been ballooning? can't we have been ballooning? can't you have been ballooning? can't they have been ballooning?