English verb conjugation
CAN MOO

Regular verb: moo - mooed - mooed

Affirmation

Simple form	V-ing form
I can moo you can moo he can moo we can moo you can moo they can moo	I can be mooing you can be mooing he can be mooing we can be mooing you can be mooing they can be mooing
Perfect	V-ing perfect
I can have mooed you can have mooed he can have mooed we can have mooed you can have mooed they can have mooed	I can have been mooing you can have been mooing he can have been mooing we can have been mooing you can have been mooing they can have been mooing

Negation

Simple form	V-ing form
I can't moo you can't moo he can't moo we can't moo you can't moo they can't moo	I can't be mooing you can't be mooing he can't be mooing we can't be mooing you can't be mooing they can't be mooing
Perfect	V-ing perfect
I can't have mooed you can't have mooed he can't have mooed we can't have mooed you can't have mooed they can't have mooed	I can't have been mooing you can't have been mooing he can't have been mooing we can't have been mooing you can't have been mooing they can't have been mooing

Interrogative form

Simple form	V-ing form
can I moo? can you moo? can he moo? can we moo? can you moo? can they moo?	can I be mooing? can you be mooing? can he be mooing? can we be mooing? can you be mooing? can they be mooing?
Perfect	V-ing perfect
can I have mooed? can you have mooed? can he have mooed? can we have mooed? can you have mooed? can they have mooed?	can I have been mooing? can you have been mooing? can he have been mooing? can we have been mooing? can you have been mooing? can they have been mooing?

Interro-negative form

Simple form	V-ing form
can't I moo? can't you moo? can't he moo? can't we moo? can't you moo? can't they moo?	can't I be mooing? can't you be mooing? can't he be mooing? can't we be mooing? can't you be mooing? can't they be mooing?
Perfect	V-ing perfect
can't I have mooed? can't you have mooed? can't he have mooed? can't we have mooed? can't you have mooed? can't they have mooed?	can't I have been mooing? can't you have been mooing? can't he have been mooing? can't we have been mooing? can't you have been mooing? can't they have been mooing?