English verb conjugation
CAN LOO

Regular verb: loo - looed - looed

Affirmation

Simple form	V-ing form
I can loo you can loo he can loo we can loo you can loo they can loo	I can be looing you can be looing he can be looing we can be looing you can be looing they can be looing
Perfect	V-ing perfect
I can have looed you can have looed he can have looed we can have looed you can have looed they can have looed	I can have been looing you can have been looing he can have been looing we can have been looing you can have been looing they can have been looing

Negation

Simple form	V-ing form
I can't loo you can't loo he can't loo we can't loo you can't loo they can't loo	I can't be looing you can't be looing he can't be looing we can't be looing you can't be looing they can't be looing
Perfect	V-ing perfect
I can't have looed you can't have looed he can't have looed we can't have looed you can't have looed they can't have looed	I can't have been looing you can't have been looing he can't have been looing we can't have been looing you can't have been looing they can't have been looing

Interrogative form

Simple form	V-ing form
can I loo? can you loo? can he loo? can we loo? can you loo? can they loo?	can I be looing? can you be looing? can he be looing? can we be looing? can you be looing? can they be looing?
Perfect	V-ing perfect
can I have looed? can you have looed? can he have looed? can we have looed? can you have looed? can they have looed?	can I have been looing? can you have been looing? can he have been looing? can we have been looing? can you have been looing? can they have been looing?

Interro-negative form

Simple form	V-ing form
can't I loo? can't you loo? can't he loo? can't we loo? can't you loo? can't they loo?	can't I be looing? can't you be looing? can't he be looing? can't we be looing? can't you be looing? can't they be looing?
Perfect	V-ing perfect
can't I have looed? can't you have looed? can't he have looed? can't we have looed? can't you have looed? can't they have looed?	can't I have been looing? can't you have been looing? can't he have been looing? can't we have been looing? can't you have been looing? can't they have been looing?