Conjugación del verbo inglés
COULD NIGGLE

Verbo regular: niggle - niggled - niggled

Afirmación

Forma simple	Forma con V-ing
I could niggle you could niggle she could niggle we could niggle you could niggle they could niggle	I could be niggling you could be niggling she could be niggling we could be niggling you could be niggling they could be niggling
Perfecto	Perfecto con V-ing
I could have niggled you could have niggled she could have niggled we could have niggled you could have niggled they could have niggled	I could have been niggling you could have been niggling she could have been niggling we could have been niggling you could have been niggling they could have been niggling

Negación

Forma simple	Forma con V-ing
I could not niggle you could not niggle she could not niggle we could not niggle you could not niggle they could not niggle	I could not be niggling you could not be niggling she could not be niggling we could not be niggling you could not be niggling they could not be niggling
Perfecto	Perfecto con V-ing
I could not have niggled you could not have niggled she could not have niggled we could not have niggled you could not have niggled they could not have niggled	I could not have been niggling you could not have been niggling she could not have been niggling we could not have been niggling you could not have been niggling they could not have been niggling

Forma interrogativa

Forma simple	Forma con V-ing
could I niggle? could you niggle? could she niggle? could we niggle? could you niggle? could they niggle?	could I be niggling? could you be niggling? could she be niggling? could we be niggling? could you be niggling? could they be niggling?
Perfecto	Perfecto con V-ing
could I have niggled? could you have niggled? could she have niggled? could we have niggled? could you have niggled? could they have niggled?	could I have been niggling? could you have been niggling? could she have been niggling? could we have been niggling? could you have been niggling? could they have been niggling?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not niggle? could you not niggle? could she not niggle? could we not niggle? could you not niggle? could they not niggle?	could I not be niggling? could you not be niggling? could she not be niggling? could we not be niggling? could you not be niggling? could they not be niggling?
Perfecto	Perfecto con V-ing
could I not have niggled? could you not have niggled? could she not have niggled? could we not have niggled? could you not have niggled? could they not have niggled?	could I not have been niggling? could you not have been niggling? could she not have been niggling? could we not have been niggling? could you not have been niggling? could they not have been niggling?