English verb conjugation
CAN TABBY

Regular verb: tabby - tabbied - tabbied

Affirmation

Simple form	V-ing form
I can tabby you can tabby he can tabby we can tabby you can tabby they can tabby	I can be tabbying you can be tabbying he can be tabbying we can be tabbying you can be tabbying they can be tabbying
Perfect	V-ing perfect
I can have tabbied you can have tabbied he can have tabbied we can have tabbied you can have tabbied they can have tabbied	I can have been tabbying you can have been tabbying he can have been tabbying we can have been tabbying you can have been tabbying they can have been tabbying

Negation

Simple form	V-ing form
I can't tabby you can't tabby he can't tabby we can't tabby you can't tabby they can't tabby	I can't be tabbying you can't be tabbying he can't be tabbying we can't be tabbying you can't be tabbying they can't be tabbying
Perfect	V-ing perfect
I can't have tabbied you can't have tabbied he can't have tabbied we can't have tabbied you can't have tabbied they can't have tabbied	I can't have been tabbying you can't have been tabbying he can't have been tabbying we can't have been tabbying you can't have been tabbying they can't have been tabbying

Interrogative form

Simple form	V-ing form
can I tabby? can you tabby? can he tabby? can we tabby? can you tabby? can they tabby?	can I be tabbying? can you be tabbying? can he be tabbying? can we be tabbying? can you be tabbying? can they be tabbying?
Perfect	V-ing perfect
can I have tabbied? can you have tabbied? can he have tabbied? can we have tabbied? can you have tabbied? can they have tabbied?	can I have been tabbying? can you have been tabbying? can he have been tabbying? can we have been tabbying? can you have been tabbying? can they have been tabbying?

Interro-negative form

Simple form	V-ing form
can't I tabby? can't you tabby? can't he tabby? can't we tabby? can't you tabby? can't they tabby?	can't I be tabbying? can't you be tabbying? can't he be tabbying? can't we be tabbying? can't you be tabbying? can't they be tabbying?
Perfect	V-ing perfect
can't I have tabbied? can't you have tabbied? can't he have tabbied? can't we have tabbied? can't you have tabbied? can't they have tabbied?	can't I have been tabbying? can't you have been tabbying? can't he have been tabbying? can't we have been tabbying? can't you have been tabbying? can't they have been tabbying?