should niggle
Verbo regolare: niggle - niggled- niggled

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should niggle
you should niggle
he should niggle
we should niggle
you should niggle
they should niggle 	I should be niggling
you should be niggling
he should be niggling
we should be niggling
you should be niggling
they should be niggling	I should have niggled
you should have niggled
he should have niggled
we should have niggled
you should have niggled
they should have niggled	I should have been niggling
you should have been niggling
he should have been niggling
we should have been niggling
you should have been niggling
they should have been niggling	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I should not niggle
you should not niggle
he should not niggle
we should not niggle
you should not niggle
they should not niggle 	I should not be niggling
you should not be niggling
he should not be niggling
we should not be niggling
you should not be niggling
they should not be niggling	I should not have niggled
you should not have niggled
he should not have niggled
we should not have niggled
you should not have niggled
they should not have niggled	I should not have been niggling
you should not have been niggling
he should not have been niggling
we should not have been niggling
you should not have been niggling
they should not have been niggling	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I niggle?
should you niggle?
should he niggle?
should we niggle?
should you niggle?
should they niggle? 	should I be niggling?
should you be niggling?
should he be niggling?
should we be niggling?
should you be niggling?
should they be niggling? 	should I have niggled?
should you have niggled?
should he have niggled?
should we have niggled?
should you have niggled?
should they have niggled? 	should I have been niggling?
should you have been niggling?
should he have been niggling?
should we have been niggling?
should you have been niggling?
should they have been niggling? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
should I not niggle?
should you not niggle?
should he not niggle?
should we not niggle?
should you not niggle?
should they not niggle? 	should I not be niggling?
should you not be niggling?
should he not be niggling?
should we not be niggling?
should you not be niggling?
should they not be niggling? 	should I not have niggled?
should you not have niggled?
should he not have niggled?
should we not have niggled?
should you not have niggled?
should they not have niggled? 	should I not have been niggling?
should you not have been niggling?
should he not have been niggling?
should we not have been niggling?
should you not have been niggling?
should they not have been niggling?