can protract
Verbo regular: protract - protracted- protracted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can protract
you can protract
he can protract
we can protract
you can protract
they can protract 	I can be protracting
you can be protracting
he can be protracting
we can be protracting
you can be protracting
they can be protracting	I can have protracted
you can have protracted
he can have protracted
we can have protracted
you can have protracted
they can have protracted	I can have been protracting
you can have been protracting
he can have been protracting
we can have been protracting
you can have been protracting
they can have been protracting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot protract
you cannot protract
he cannot protract
we cannot protract
you cannot protract
they cannot protract 	I cannot be protracting
you cannot be protracting
he cannot be protracting
we cannot be protracting
you cannot be protracting
they cannot be protracting	I cannot have protracted
you cannot have protracted
he cannot have protracted
we cannot have protracted
you cannot have protracted
they cannot have protracted	I cannot have been protracting
you cannot have been protracting
he cannot have been protracting
we cannot have been protracting
you cannot have been protracting
they cannot have been protracting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I protract?
can you protract?
can he protract?
can we protract?
can you protract?
can they protract? 	can I be protracting?
can you be protracting?
can he be protracting?
can we be protracting?
can you be protracting?
can they be protracting? 	can I have protracted?
can you have protracted?
can he have protracted?
can we have protracted?
can you have protracted?
can they have protracted? 	can I have been protracting?
can you have been protracting?
can he have been protracting?
can we have been protracting?
can you have been protracting?
can they have been protracting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not protract?
can you not protract?
can he not protract?
can we not protract?
can you not protract?
can they not protract? 	can I not be protracting?
can you not be protracting?
can he not be protracting?
can we not be protracting?
can you not be protracting?
can they not be protracting? 	can I not have protracted?
can you not have protracted?
can he not have protracted?
can we not have protracted?
can you not have protracted?
can they not have protracted? 	can I not have been protracting?
can you not have been protracting?
can he not have been protracting?
can we not have been protracting?
can you not have been protracting?
can they not have been protracting?