should discontinue
Regular verb: discontinue - discontinued- discontinued

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd discontinue
you'd discontinue
he'd discontinue
we'd discontinue
you'd discontinue
they'd discontinue 	I'd be discontinuing
you'd be discontinuing
he'd be discontinuing
we'd be discontinuing
you'd be discontinuing
they'd be discontinuing	I should've discontinued
you should've discontinued
he should've discontinued
we should've discontinued
you should've discontinued
they should've discontinued	I should've been discontinuing
you should've been discontinuing
he should've been discontinuing
we should've been discontinuing
you should've been discontinuing
they should've been discontinuing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't discontinue
you shouldn't discontinue
he shouldn't discontinue
we shouldn't discontinue
you shouldn't discontinue
they shouldn't discontinue 	I shouldn't be discontinuing
you shouldn't be discontinuing
he shouldn't be discontinuing
we shouldn't be discontinuing
you shouldn't be discontinuing
they shouldn't be discontinuing	I shouldn't have discontinued
you shouldn't have discontinued
he shouldn't have discontinued
we shouldn't have discontinued
you shouldn't have discontinued
they shouldn't have discontinued	I shouldn't have been discontinuing
you shouldn't have been discontinuing
he shouldn't have been discontinuing
we shouldn't have been discontinuing
you shouldn't have been discontinuing
they shouldn't have been discontinuing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I discontinue?
should you discontinue?
should he discontinue?
should we discontinue?
should you discontinue?
should they discontinue? 	should I be discontinuing?
should you be discontinuing?
should he be discontinuing?
should we be discontinuing?
should you be discontinuing?
should they be discontinuing? 	should I have discontinued?
should you have discontinued?
should he have discontinued?
should we have discontinued?
should you have discontinued?
should they have discontinued? 	should I have been discontinuing?
should you have been discontinuing?
should he have been discontinuing?
should we have been discontinuing?
should you have been discontinuing?
should they have been discontinuing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I discontinue?
shouldn't you discontinue?
shouldn't he discontinue?
shouldn't we discontinue?
shouldn't you discontinue?
shouldn't they discontinue? 	shouldn't I be discontinuing?
shouldn't you be discontinuing?
shouldn't he be discontinuing?
shouldn't we be discontinuing?
shouldn't you be discontinuing?
shouldn't they be discontinuing? 	shouldn't I have discontinued?
shouldn't you have discontinued?
shouldn't he have discontinued?
shouldn't we have discontinued?
shouldn't you have discontinued?
shouldn't they have discontinued? 	shouldn't I have been discontinuing?
shouldn't you have been discontinuing?
shouldn't he have been discontinuing?
shouldn't we have been discontinuing?
shouldn't you have been discontinuing?
shouldn't they have been discontinuing?