should trade
Regular verb: trade - traded- traded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd trade
you'd trade
she'd trade
we'd trade
you'd trade
they'd trade 	I'd be trading
you'd be trading
she'd be trading
we'd be trading
you'd be trading
they'd be trading	I should've traded
you should've traded
she 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
she 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
she 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
she 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
she 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
she 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 she trade?
should we trade?
should you trade?
should they trade? 	should I be trading?
should you be trading?
should she be trading?
should we be trading?
should you be trading?
should they be trading? 	should I have traded?
should you have traded?
should she 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 she 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 she 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 she 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 she 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 she have been trading?
shouldn't we have been trading?
shouldn't you have been trading?
shouldn't they have been trading?