could trigger
Verbo regular: trigger - triggered- triggered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could trigger
you could trigger
he could trigger
we could trigger
you could trigger
they could trigger 	I could be triggering
you could be triggering
he could be triggering
we could be triggering
you could be triggering
they could be triggering	I could have triggered
you could have triggered
he could have triggered
we could have triggered
you could have triggered
they could have triggered	I could have been triggering
you could have been triggering
he could have been triggering
we could have been triggering
you could have been triggering
they could have been triggering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't trigger
you couldn't trigger
he couldn't trigger
we couldn't trigger
you couldn't trigger
they couldn't trigger 	I couldn't be triggering
you couldn't be triggering
he couldn't be triggering
we couldn't be triggering
you couldn't be triggering
they couldn't be triggering	I couldn't have triggered
you couldn't have triggered
he couldn't have triggered
we couldn't have triggered
you couldn't have triggered
they couldn't have triggered	I couldn't have been triggering
you couldn't have been triggering
he couldn't have been triggering
we couldn't have been triggering
you couldn't have been triggering
they couldn't have been triggering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I trigger?
could you trigger?
could he trigger?
could we trigger?
could you trigger?
could they trigger? 	could I be triggering?
could you be triggering?
could he be triggering?
could we be triggering?
could you be triggering?
could they be triggering? 	could I have triggered?
could you have triggered?
could he have triggered?
could we have triggered?
could you have triggered?
could they have triggered? 	could I have been triggering?
could you have been triggering?
could he have been triggering?
could we have been triggering?
could you have been triggering?
could they have been triggering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I trigger?
couldn't you trigger?
couldn't he trigger?
couldn't we trigger?
couldn't you trigger?
couldn't they trigger? 	couldn't I be triggering?
couldn't you be triggering?
couldn't he be triggering?
couldn't we be triggering?
couldn't you be triggering?
couldn't they be triggering? 	couldn't I have triggered?
couldn't you have triggered?
couldn't he have triggered?
couldn't we have triggered?
couldn't you have triggered?
couldn't they have triggered? 	couldn't I have been triggering?
couldn't you have been triggering?
couldn't he have been triggering?
couldn't we have been triggering?
couldn't you have been triggering?
couldn't they have been triggering?