should trade
Regular verb: trade - traded- traded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd trade
you'd trade
he'd trade
we'd trade
you'd trade
they'd trade 	I'd be trading
you'd be trading
he'd be trading
we'd be trading
you'd be trading
they'd be trading	I should've traded
you should've traded
he should've traded
we should've traded
you should've traded
they should've traded	I should've been trading
you should've been trading
he should've been trading
we should've been trading
you should've been trading
they should've been trading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't trade
you shouldn't trade
he shouldn't trade
we shouldn't trade
you shouldn't trade
they shouldn't trade 	I shouldn't be trading
you shouldn't be trading
he shouldn't be trading
we shouldn't be trading
you shouldn't be trading
they shouldn't be trading	I shouldn't have traded
you shouldn't have traded
he shouldn't have traded
we shouldn't have traded
you shouldn't have traded
they shouldn't have traded	I shouldn't have been trading
you shouldn't have been trading
he shouldn't have been trading
we shouldn't have been trading
you shouldn't have been trading
they shouldn't have been trading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I trade?
should you trade?
should he trade?
should we trade?
should you trade?
should they trade? 	should I be trading?
should you be trading?
should he be trading?
should we be trading?
should you be trading?
should they be trading? 	should I have traded?
should you have traded?
should he have traded?
should we have traded?
should you have traded?
should they have traded? 	should I have been trading?
should you have been trading?
should he have been trading?
should we have been trading?
should you have been trading?
should they have been trading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I trade?
shouldn't you trade?
shouldn't he trade?
shouldn't we trade?
shouldn't you trade?
shouldn't they trade? 	shouldn't I be trading?
shouldn't you be trading?
shouldn't he be trading?
shouldn't we be trading?
shouldn't you be trading?
shouldn't they be trading? 	shouldn't I have traded?
shouldn't you have traded?
shouldn't he have traded?
shouldn't we have traded?
shouldn't you have traded?
shouldn't they have traded? 	shouldn't I have been trading?
shouldn't you have been trading?
shouldn't he have been trading?
shouldn't we have been trading?
shouldn't you have been trading?
shouldn't they have been trading?