English verb conjugation
CAN BIRDIE

Regular verb: birdie - birdied - birdied

Affirmation

Simple form	V-ing form
I can birdie you can birdie he can birdie we can birdie you can birdie they can birdie	I can be birdying you can be birdying he can be birdying we can be birdying you can be birdying they can be birdying
Perfect	V-ing perfect
I can have birdied you can have birdied he can have birdied we can have birdied you can have birdied they can have birdied	I can have been birdying you can have been birdying he can have been birdying we can have been birdying you can have been birdying they can have been birdying

Negation

Simple form	V-ing form
I can't birdie you can't birdie he can't birdie we can't birdie you can't birdie they can't birdie	I can't be birdying you can't be birdying he can't be birdying we can't be birdying you can't be birdying they can't be birdying
Perfect	V-ing perfect
I can't have birdied you can't have birdied he can't have birdied we can't have birdied you can't have birdied they can't have birdied	I can't have been birdying you can't have been birdying he can't have been birdying we can't have been birdying you can't have been birdying they can't have been birdying

Interrogative form

Simple form	V-ing form
can I birdie? can you birdie? can he birdie? can we birdie? can you birdie? can they birdie?	can I be birdying? can you be birdying? can he be birdying? can we be birdying? can you be birdying? can they be birdying?
Perfect	V-ing perfect
can I have birdied? can you have birdied? can he have birdied? can we have birdied? can you have birdied? can they have birdied?	can I have been birdying? can you have been birdying? can he have been birdying? can we have been birdying? can you have been birdying? can they have been birdying?

Interro-negative form

Simple form	V-ing form
can't I birdie? can't you birdie? can't he birdie? can't we birdie? can't you birdie? can't they birdie?	can't I be birdying? can't you be birdying? can't he be birdying? can't we be birdying? can't you be birdying? can't they be birdying?
Perfect	V-ing perfect
can't I have birdied? can't you have birdied? can't he have birdied? can't we have birdied? can't you have birdied? can't they have birdied?	can't I have been birdying? can't you have been birdying? can't he have been birdying? can't we have been birdying? can't you have been birdying? can't they have been birdying?