English verb conjugation
SHOULD PILFER

Regular verb: pilfer - pilfered - pilfered

Affirmation

Simple form	V-ing form
I'd pilfer you'd pilfer he'd pilfer we'd pilfer you'd pilfer they'd pilfer	I'd be pilfering you'd be pilfering he'd be pilfering we'd be pilfering you'd be pilfering they'd be pilfering
Perfect	V-ing perfect
I should've pilfered you should've pilfered he should've pilfered we should've pilfered you should've pilfered they should've pilfered	I should've been pilfering you should've been pilfering he should've been pilfering we should've been pilfering you should've been pilfering they should've been pilfering

Negation

Simple form	V-ing form
I shouldn't pilfer you shouldn't pilfer he shouldn't pilfer we shouldn't pilfer you shouldn't pilfer they shouldn't pilfer	I shouldn't be pilfering you shouldn't be pilfering he shouldn't be pilfering we shouldn't be pilfering you shouldn't be pilfering they shouldn't be pilfering
Perfect	V-ing perfect
I shouldn't have pilfered you shouldn't have pilfered he shouldn't have pilfered we shouldn't have pilfered you shouldn't have pilfered they shouldn't have pilfered	I shouldn't have been pilfering you shouldn't have been pilfering he shouldn't have been pilfering we shouldn't have been pilfering you shouldn't have been pilfering they shouldn't have been pilfering

Interrogative form

Simple form	V-ing form
should I pilfer? should you pilfer? should he pilfer? should we pilfer? should you pilfer? should they pilfer?	should I be pilfering? should you be pilfering? should he be pilfering? should we be pilfering? should you be pilfering? should they be pilfering?
Perfect	V-ing perfect
should I have pilfered? should you have pilfered? should he have pilfered? should we have pilfered? should you have pilfered? should they have pilfered?	should I have been pilfering? should you have been pilfering? should he have been pilfering? should we have been pilfering? should you have been pilfering? should they have been pilfering?

Interro-negative form

Simple form	V-ing form
shouldn't I pilfer? shouldn't you pilfer? shouldn't he pilfer? shouldn't we pilfer? shouldn't you pilfer? shouldn't they pilfer?	shouldn't I be pilfering? shouldn't you be pilfering? shouldn't he be pilfering? shouldn't we be pilfering? shouldn't you be pilfering? shouldn't they be pilfering?
Perfect	V-ing perfect
shouldn't I have pilfered? shouldn't you have pilfered? shouldn't he have pilfered? shouldn't we have pilfered? shouldn't you have pilfered? shouldn't they have pilfered?	shouldn't I have been pilfering? shouldn't you have been pilfering? shouldn't he have been pilfering? shouldn't we have been pilfering? shouldn't you have been pilfering? shouldn't they have been pilfering?