English verb conjugation
SHOULD PRECEDE

Regular verb: precede - preceded - preceded

Affirmation

Simple form	V-ing form
I'd precede you'd precede he'd precede we'd precede you'd precede they'd precede	I'd be preceding you'd be preceding he'd be preceding we'd be preceding you'd be preceding they'd be preceding
Perfect	V-ing perfect
I should've preceded you should've preceded he should've preceded we should've preceded you should've preceded they should've preceded	I should've been preceding you should've been preceding he should've been preceding we should've been preceding you should've been preceding they should've been preceding

Negation

Simple form	V-ing form
I shouldn't precede you shouldn't precede he shouldn't precede we shouldn't precede you shouldn't precede they shouldn't precede	I shouldn't be preceding you shouldn't be preceding he shouldn't be preceding we shouldn't be preceding you shouldn't be preceding they shouldn't be preceding
Perfect	V-ing perfect
I shouldn't have preceded you shouldn't have preceded he shouldn't have preceded we shouldn't have preceded you shouldn't have preceded they shouldn't have preceded	I shouldn't have been preceding you shouldn't have been preceding he shouldn't have been preceding we shouldn't have been preceding you shouldn't have been preceding they shouldn't have been preceding

Interrogative form

Simple form	V-ing form
should I precede? should you precede? should he precede? should we precede? should you precede? should they precede?	should I be preceding? should you be preceding? should he be preceding? should we be preceding? should you be preceding? should they be preceding?
Perfect	V-ing perfect
should I have preceded? should you have preceded? should he have preceded? should we have preceded? should you have preceded? should they have preceded?	should I have been preceding? should you have been preceding? should he have been preceding? should we have been preceding? should you have been preceding? should they have been preceding?

Interro-negative form

Simple form	V-ing form
shouldn't I precede? shouldn't you precede? shouldn't he precede? shouldn't we precede? shouldn't you precede? shouldn't they precede?	shouldn't I be preceding? shouldn't you be preceding? shouldn't he be preceding? shouldn't we be preceding? shouldn't you be preceding? shouldn't they be preceding?
Perfect	V-ing perfect
shouldn't I have preceded? shouldn't you have preceded? shouldn't he have preceded? shouldn't we have preceded? shouldn't you have preceded? shouldn't they have preceded?	shouldn't I have been preceding? shouldn't you have been preceding? shouldn't he have been preceding? shouldn't we have been preceding? shouldn't you have been preceding? shouldn't they have been preceding?