can calender
Verbo regular: calender - calendered- calendered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can calender
you can calender
he can calender
we can calender
you can calender
they can calender 	I can be calendering
you can be calendering
he can be calendering
we can be calendering
you can be calendering
they can be calendering	I can have calendered
you can have calendered
he can have calendered
we can have calendered
you can have calendered
they can have calendered	I can have been calendering
you can have been calendering
he can have been calendering
we can have been calendering
you can have been calendering
they can have been calendering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot calender
you cannot calender
he cannot calender
we cannot calender
you cannot calender
they cannot calender 	I cannot be calendering
you cannot be calendering
he cannot be calendering
we cannot be calendering
you cannot be calendering
they cannot be calendering	I cannot have calendered
you cannot have calendered
he cannot have calendered
we cannot have calendered
you cannot have calendered
they cannot have calendered	I cannot have been calendering
you cannot have been calendering
he cannot have been calendering
we cannot have been calendering
you cannot have been calendering
they cannot have been calendering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I calender?
can you calender?
can he calender?
can we calender?
can you calender?
can they calender? 	can I be calendering?
can you be calendering?
can he be calendering?
can we be calendering?
can you be calendering?
can they be calendering? 	can I have calendered?
can you have calendered?
can he have calendered?
can we have calendered?
can you have calendered?
can they have calendered? 	can I have been calendering?
can you have been calendering?
can he have been calendering?
can we have been calendering?
can you have been calendering?
can they have been calendering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not calender?
can you not calender?
can he not calender?
can we not calender?
can you not calender?
can they not calender? 	can I not be calendering?
can you not be calendering?
can he not be calendering?
can we not be calendering?
can you not be calendering?
can they not be calendering? 	can I not have calendered?
can you not have calendered?
can he not have calendered?
can we not have calendered?
can you not have calendered?
can they not have calendered? 	can I not have been calendering?
can you not have been calendering?
can he not have been calendering?
can we not have been calendering?
can you not have been calendering?
can they not have been calendering?