could endorse
Verbo regular: endorse - endorsed- endorsed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could endorse
you could endorse
he could endorse
we could endorse
you could endorse
they could endorse 	I could be endorsing
you could be endorsing
he could be endorsing
we could be endorsing
you could be endorsing
they could be endorsing	I could have endorsed
you could have endorsed
he could have endorsed
we could have endorsed
you could have endorsed
they could have endorsed	I could have been endorsing
you could have been endorsing
he could have been endorsing
we could have been endorsing
you could have been endorsing
they could have been endorsing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't endorse
you couldn't endorse
he couldn't endorse
we couldn't endorse
you couldn't endorse
they couldn't endorse 	I couldn't be endorsing
you couldn't be endorsing
he couldn't be endorsing
we couldn't be endorsing
you couldn't be endorsing
they couldn't be endorsing	I couldn't have endorsed
you couldn't have endorsed
he couldn't have endorsed
we couldn't have endorsed
you couldn't have endorsed
they couldn't have endorsed	I couldn't have been endorsing
you couldn't have been endorsing
he couldn't have been endorsing
we couldn't have been endorsing
you couldn't have been endorsing
they couldn't have been endorsing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I endorse?
could you endorse?
could he endorse?
could we endorse?
could you endorse?
could they endorse? 	could I be endorsing?
could you be endorsing?
could he be endorsing?
could we be endorsing?
could you be endorsing?
could they be endorsing? 	could I have endorsed?
could you have endorsed?
could he have endorsed?
could we have endorsed?
could you have endorsed?
could they have endorsed? 	could I have been endorsing?
could you have been endorsing?
could he have been endorsing?
could we have been endorsing?
could you have been endorsing?
could they have been endorsing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I endorse?
couldn't you endorse?
couldn't he endorse?
couldn't we endorse?
couldn't you endorse?
couldn't they endorse? 	couldn't I be endorsing?
couldn't you be endorsing?
couldn't he be endorsing?
couldn't we be endorsing?
couldn't you be endorsing?
couldn't they be endorsing? 	couldn't I have endorsed?
couldn't you have endorsed?
couldn't he have endorsed?
couldn't we have endorsed?
couldn't you have endorsed?
couldn't they have endorsed? 	couldn't I have been endorsing?
couldn't you have been endorsing?
couldn't he have been endorsing?
couldn't we have been endorsing?
couldn't you have been endorsing?
couldn't they have been endorsing?