English verb conjugation
CAN SKIDOO

Regular verb: skidoo - skidooed - skidooed

Affirmation

Simple form	V-ing form
I can skidoo you can skidoo he can skidoo we can skidoo you can skidoo they can skidoo	I can be skidooing you can be skidooing he can be skidooing we can be skidooing you can be skidooing they can be skidooing
Perfect	V-ing perfect
I can have skidooed you can have skidooed he can have skidooed we can have skidooed you can have skidooed they can have skidooed	I can have been skidooing you can have been skidooing he can have been skidooing we can have been skidooing you can have been skidooing they can have been skidooing

Negation

Simple form	V-ing form
I can't skidoo you can't skidoo he can't skidoo we can't skidoo you can't skidoo they can't skidoo	I can't be skidooing you can't be skidooing he can't be skidooing we can't be skidooing you can't be skidooing they can't be skidooing
Perfect	V-ing perfect
I can't have skidooed you can't have skidooed he can't have skidooed we can't have skidooed you can't have skidooed they can't have skidooed	I can't have been skidooing you can't have been skidooing he can't have been skidooing we can't have been skidooing you can't have been skidooing they can't have been skidooing

Interrogative form

Simple form	V-ing form
can I skidoo? can you skidoo? can he skidoo? can we skidoo? can you skidoo? can they skidoo?	can I be skidooing? can you be skidooing? can he be skidooing? can we be skidooing? can you be skidooing? can they be skidooing?
Perfect	V-ing perfect
can I have skidooed? can you have skidooed? can he have skidooed? can we have skidooed? can you have skidooed? can they have skidooed?	can I have been skidooing? can you have been skidooing? can he have been skidooing? can we have been skidooing? can you have been skidooing? can they have been skidooing?

Interro-negative form

Simple form	V-ing form
can't I skidoo? can't you skidoo? can't he skidoo? can't we skidoo? can't you skidoo? can't they skidoo?	can't I be skidooing? can't you be skidooing? can't he be skidooing? can't we be skidooing? can't you be skidooing? can't they be skidooing?
Perfect	V-ing perfect
can't I have skidooed? can't you have skidooed? can't he have skidooed? can't we have skidooed? can't you have skidooed? can't they have skidooed?	can't I have been skidooing? can't you have been skidooing? can't he have been skidooing? can't we have been skidooing? can't you have been skidooing? can't they have been skidooing?