English verb conjugation
SHOULD NECK

Regular verb: neck - necked - necked

Affirmation

Simple form	V-ing form
I'd neck you'd neck he'd neck we'd neck you'd neck they'd neck	I'd be necking you'd be necking he'd be necking we'd be necking you'd be necking they'd be necking
Perfect	V-ing perfect
I should've necked you should've necked he should've necked we should've necked you should've necked they should've necked	I should've been necking you should've been necking he should've been necking we should've been necking you should've been necking they should've been necking

Negation

Simple form	V-ing form
I shouldn't neck you shouldn't neck he shouldn't neck we shouldn't neck you shouldn't neck they shouldn't neck	I shouldn't be necking you shouldn't be necking he shouldn't be necking we shouldn't be necking you shouldn't be necking they shouldn't be necking
Perfect	V-ing perfect
I shouldn't have necked you shouldn't have necked he shouldn't have necked we shouldn't have necked you shouldn't have necked they shouldn't have necked	I shouldn't have been necking you shouldn't have been necking he shouldn't have been necking we shouldn't have been necking you shouldn't have been necking they shouldn't have been necking

Interrogative form

Simple form	V-ing form
should I neck? should you neck? should he neck? should we neck? should you neck? should they neck?	should I be necking? should you be necking? should he be necking? should we be necking? should you be necking? should they be necking?
Perfect	V-ing perfect
should I have necked? should you have necked? should he have necked? should we have necked? should you have necked? should they have necked?	should I have been necking? should you have been necking? should he have been necking? should we have been necking? should you have been necking? should they have been necking?

Interro-negative form

Simple form	V-ing form
shouldn't I neck? shouldn't you neck? shouldn't he neck? shouldn't we neck? shouldn't you neck? shouldn't they neck?	shouldn't I be necking? shouldn't you be necking? shouldn't he be necking? shouldn't we be necking? shouldn't you be necking? shouldn't they be necking?
Perfect	V-ing perfect
shouldn't I have necked? shouldn't you have necked? shouldn't he have necked? shouldn't we have necked? shouldn't you have necked? shouldn't they have necked?	shouldn't I have been necking? shouldn't you have been necking? shouldn't he have been necking? shouldn't we have been necking? shouldn't you have been necking? shouldn't they have been necking?