can loo
Regular verb: loo - looed- looed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can loo
you can loo
she can loo
we can loo
you can loo
they can loo 	I can be looing
you can be looing
she can be looing
we can be looing
you can be looing
they can be looing	I can have looed
you can have looed
she 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
she 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 	Perfect 	V-ing perfect 	
I cannot loo
you cannot loo
she cannot loo
we cannot loo
you cannot loo
they cannot loo 	I cannot be looing
you cannot be looing
she cannot be looing
we cannot be looing
you cannot be looing
they cannot be looing	I cannot have looed
you cannot have looed
she cannot have looed
we cannot have looed
you cannot have looed
they cannot have looed	I cannot have been looing
you cannot have been looing
she cannot have been looing
we cannot have been looing
you cannot have been looing
they cannot have been looing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I loo?
can you loo?
can she loo?
can we loo?
can you loo?
can they loo? 	can I be looing?
can you be looing?
can she be looing?
can we be looing?
can you be looing?
can they be looing? 	can I have looed?
can you have looed?
can she 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 she 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 	Perfect 	V-ing perfect 	
can I not loo?
can you not loo?
can she not loo?
can we not loo?
can you not loo?
can they not loo? 	can I not be looing?
can you not be looing?
can she not be looing?
can we not be looing?
can you not be looing?
can they not be looing? 	can I not have looed?
can you not have looed?
can she not have looed?
can we not have looed?
can you not have looed?
can they not have looed? 	can I not have been looing?
can you not have been looing?
can she not have been looing?
can we not have been looing?
can you not have been looing?
can they not have been looing?