should instigate
Regular verb: instigate - instigated- instigated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd instigate
you'd instigate
she'd instigate
we'd instigate
you'd instigate
they'd instigate 	I'd be instigating
you'd be instigating
she'd be instigating
we'd be instigating
you'd be instigating
they'd be instigating	I should've instigated
you should've instigated
she should've instigated
we should've instigated
you should've instigated
they should've instigated	I should've been instigating
you should've been instigating
she should've been instigating
we should've been instigating
you should've been instigating
they should've been instigating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't instigate
you shouldn't instigate
she shouldn't instigate
we shouldn't instigate
you shouldn't instigate
they shouldn't instigate 	I shouldn't be instigating
you shouldn't be instigating
she shouldn't be instigating
we shouldn't be instigating
you shouldn't be instigating
they shouldn't be instigating	I shouldn't have instigated
you shouldn't have instigated
she shouldn't have instigated
we shouldn't have instigated
you shouldn't have instigated
they shouldn't have instigated	I shouldn't have been instigating
you shouldn't have been instigating
she shouldn't have been instigating
we shouldn't have been instigating
you shouldn't have been instigating
they shouldn't have been instigating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I instigate?
should you instigate?
should she instigate?
should we instigate?
should you instigate?
should they instigate? 	should I be instigating?
should you be instigating?
should she be instigating?
should we be instigating?
should you be instigating?
should they be instigating? 	should I have instigated?
should you have instigated?
should she have instigated?
should we have instigated?
should you have instigated?
should they have instigated? 	should I have been instigating?
should you have been instigating?
should she have been instigating?
should we have been instigating?
should you have been instigating?
should they have been instigating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I instigate?
shouldn't you instigate?
shouldn't she instigate?
shouldn't we instigate?
shouldn't you instigate?
shouldn't they instigate? 	shouldn't I be instigating?
shouldn't you be instigating?
shouldn't she be instigating?
shouldn't we be instigating?
shouldn't you be instigating?
shouldn't they be instigating? 	shouldn't I have instigated?
shouldn't you have instigated?
shouldn't she have instigated?
shouldn't we have instigated?
shouldn't you have instigated?
shouldn't they have instigated? 	shouldn't I have been instigating?
shouldn't you have been instigating?
shouldn't she have been instigating?
shouldn't we have been instigating?
shouldn't you have been instigating?
shouldn't they have been instigating?