English verb conjugation
SHOULD NIELLO

Regular verb: niello - nielloed - nielloed

Affirmation

Simple form	V-ing form
I'd niello you'd niello he'd niello we'd niello you'd niello they'd niello	I'd be nielloing you'd be nielloing he'd be nielloing we'd be nielloing you'd be nielloing they'd be nielloing
Perfect	V-ing perfect
I should've nielloed you should've nielloed he should've nielloed we should've nielloed you should've nielloed they should've nielloed	I should've been nielloing you should've been nielloing he should've been nielloing we should've been nielloing you should've been nielloing they should've been nielloing

Negation

Simple form	V-ing form
I shouldn't niello you shouldn't niello he shouldn't niello we shouldn't niello you shouldn't niello they shouldn't niello	I shouldn't be nielloing you shouldn't be nielloing he shouldn't be nielloing we shouldn't be nielloing you shouldn't be nielloing they shouldn't be nielloing
Perfect	V-ing perfect
I shouldn't have nielloed you shouldn't have nielloed he shouldn't have nielloed we shouldn't have nielloed you shouldn't have nielloed they shouldn't have nielloed	I shouldn't have been nielloing you shouldn't have been nielloing he shouldn't have been nielloing we shouldn't have been nielloing you shouldn't have been nielloing they shouldn't have been nielloing

Interrogative form

Simple form	V-ing form
should I niello? should you niello? should he niello? should we niello? should you niello? should they niello?	should I be nielloing? should you be nielloing? should he be nielloing? should we be nielloing? should you be nielloing? should they be nielloing?
Perfect	V-ing perfect
should I have nielloed? should you have nielloed? should he have nielloed? should we have nielloed? should you have nielloed? should they have nielloed?	should I have been nielloing? should you have been nielloing? should he have been nielloing? should we have been nielloing? should you have been nielloing? should they have been nielloing?

Interro-negative form

Simple form	V-ing form
shouldn't I niello? shouldn't you niello? shouldn't he niello? shouldn't we niello? shouldn't you niello? shouldn't they niello?	shouldn't I be nielloing? shouldn't you be nielloing? shouldn't he be nielloing? shouldn't we be nielloing? shouldn't you be nielloing? shouldn't they be nielloing?
Perfect	V-ing perfect
shouldn't I have nielloed? shouldn't you have nielloed? shouldn't he have nielloed? shouldn't we have nielloed? shouldn't you have nielloed? shouldn't they have nielloed?	shouldn't I have been nielloing? shouldn't you have been nielloing? shouldn't he have been nielloing? shouldn't we have been nielloing? shouldn't you have been nielloing? shouldn't they have been nielloing?