should precede
Regular verb: precede - preceded- preceded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd precede
you'd precede
she'd precede
we'd precede
you'd precede
they'd precede 	I'd be preceding
you'd be preceding
she'd be preceding
we'd be preceding
you'd be preceding
they'd be preceding	I should've preceded
you should've preceded
she 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
she 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 	Perfect 	V-ing perfect 	
I shouldn't precede
you shouldn't precede
she 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
she shouldn't be preceding
we shouldn't be preceding
you shouldn't be preceding
they shouldn't be preceding	I shouldn't have preceded
you shouldn't have preceded
she 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
she 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 	Perfect 	V-ing perfect 	
should I precede?
should you precede?
should she precede?
should we precede?
should you precede?
should they precede? 	should I be preceding?
should you be preceding?
should she be preceding?
should we be preceding?
should you be preceding?
should they be preceding? 	should I have preceded?
should you have preceded?
should she 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 she 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 	Perfect 	V-ing perfect 	
shouldn't I precede?
shouldn't you precede?
shouldn't she 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 she be preceding?
shouldn't we be preceding?
shouldn't you be preceding?
shouldn't they be preceding? 	shouldn't I have preceded?
shouldn't you have preceded?
shouldn't she 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 she have been preceding?
shouldn't we have been preceding?
shouldn't you have been preceding?
shouldn't they have been preceding?