can endorse
Verbo regular: endorse - endorsed- endorsed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can endorse
you can endorse
he can endorse
we can endorse
you can endorse
they can endorse 	I can be endorsing
you can be endorsing
he can be endorsing
we can be endorsing
you can be endorsing
they can be endorsing	I can have endorsed
you can have endorsed
he can have endorsed
we can have endorsed
you can have endorsed
they can have endorsed	I can have been endorsing
you can have been endorsing
he can have been endorsing
we can have been endorsing
you can have been endorsing
they can have been endorsing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot endorse
you cannot endorse
he cannot endorse
we cannot endorse
you cannot endorse
they cannot endorse 	I cannot be endorsing
you cannot be endorsing
he cannot be endorsing
we cannot be endorsing
you cannot be endorsing
they cannot be endorsing	I cannot have endorsed
you cannot have endorsed
he cannot have endorsed
we cannot have endorsed
you cannot have endorsed
they cannot have endorsed	I cannot have been endorsing
you cannot have been endorsing
he cannot have been endorsing
we cannot have been endorsing
you cannot have been endorsing
they cannot have been endorsing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I endorse?
can you endorse?
can he endorse?
can we endorse?
can you endorse?
can they endorse? 	can I be endorsing?
can you be endorsing?
can he be endorsing?
can we be endorsing?
can you be endorsing?
can they be endorsing? 	can I have endorsed?
can you have endorsed?
can he have endorsed?
can we have endorsed?
can you have endorsed?
can they have endorsed? 	can I have been endorsing?
can you have been endorsing?
can he have been endorsing?
can we have been endorsing?
can you have been endorsing?
can they have been endorsing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not endorse?
can you not endorse?
can he not endorse?
can we not endorse?
can you not endorse?
can they not endorse? 	can I not be endorsing?
can you not be endorsing?
can he not be endorsing?
can we not be endorsing?
can you not be endorsing?
can they not be endorsing? 	can I not have endorsed?
can you not have endorsed?
can he not have endorsed?
can we not have endorsed?
can you not have endorsed?
can they not have endorsed? 	can I not have been endorsing?
can you not have been endorsing?
can he not have been endorsing?
can we not have been endorsing?
can you not have been endorsing?
can they not have been endorsing?