can loop
Verbo regular: loop - looped- looped

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can loop
you can loop
he can loop
we can loop
you can loop
they can loop 	I can be looping
you can be looping
he can be looping
we can be looping
you can be looping
they can be looping	I can have looped
you can have looped
he can have looped
we can have looped
you can have looped
they can have looped	I can have been looping
you can have been looping
he can have been looping
we can have been looping
you can have been looping
they can have been looping	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't loop
you can't loop
he can't loop
we can't loop
you can't loop
they can't loop 	I can't be looping
you can't be looping
he can't be looping
we can't be looping
you can't be looping
they can't be looping	I can't have looped
you can't have looped
he can't have looped
we can't have looped
you can't have looped
they can't have looped	I can't have been looping
you can't have been looping
he can't have been looping
we can't have been looping
you can't have been looping
they can't have been looping	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I loop?
can you loop?
can he loop?
can we loop?
can you loop?
can they loop? 	can I be looping?
can you be looping?
can he be looping?
can we be looping?
can you be looping?
can they be looping? 	can I have looped?
can you have looped?
can he have looped?
can we have looped?
can you have looped?
can they have looped? 	can I have been looping?
can you have been looping?
can he have been looping?
can we have been looping?
can you have been looping?
can they have been looping? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I loop?
can't you loop?
can't he loop?
can't we loop?
can't you loop?
can't they loop? 	can't I be looping?
can't you be looping?
can't he be looping?
can't we be looping?
can't you be looping?
can't they be looping? 	can't I have looped?
can't you have looped?
can't he have looped?
can't we have looped?
can't you have looped?
can't they have looped? 	can't I have been looping?
can't you have been looping?
can't he have been looping?
can't we have been looping?
can't you have been looping?
can't they have been looping?