should syllogise
Regular verb: syllogise - syllogised- syllogised

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd syllogise
you'd syllogise
he'd syllogise
we'd syllogise
you'd syllogise
they'd syllogise 	I'd be syllogising
you'd be syllogising
he'd be syllogising
we'd be syllogising
you'd be syllogising
they'd be syllogising	I should've syllogised
you should've syllogised
he should've syllogised
we should've syllogised
you should've syllogised
they should've syllogised	I should've been syllogising
you should've been syllogising
he should've been syllogising
we should've been syllogising
you should've been syllogising
they should've been syllogising	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't syllogise
you shouldn't syllogise
he shouldn't syllogise
we shouldn't syllogise
you shouldn't syllogise
they shouldn't syllogise 	I shouldn't be syllogising
you shouldn't be syllogising
he shouldn't be syllogising
we shouldn't be syllogising
you shouldn't be syllogising
they shouldn't be syllogising	I shouldn't have syllogised
you shouldn't have syllogised
he shouldn't have syllogised
we shouldn't have syllogised
you shouldn't have syllogised
they shouldn't have syllogised	I shouldn't have been syllogising
you shouldn't have been syllogising
he shouldn't have been syllogising
we shouldn't have been syllogising
you shouldn't have been syllogising
they shouldn't have been syllogising	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I syllogise?
should you syllogise?
should he syllogise?
should we syllogise?
should you syllogise?
should they syllogise? 	should I be syllogising?
should you be syllogising?
should he be syllogising?
should we be syllogising?
should you be syllogising?
should they be syllogising? 	should I have syllogised?
should you have syllogised?
should he have syllogised?
should we have syllogised?
should you have syllogised?
should they have syllogised? 	should I have been syllogising?
should you have been syllogising?
should he have been syllogising?
should we have been syllogising?
should you have been syllogising?
should they have been syllogising? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I syllogise?
shouldn't you syllogise?
shouldn't he syllogise?
shouldn't we syllogise?
shouldn't you syllogise?
shouldn't they syllogise? 	shouldn't I be syllogising?
shouldn't you be syllogising?
shouldn't he be syllogising?
shouldn't we be syllogising?
shouldn't you be syllogising?
shouldn't they be syllogising? 	shouldn't I have syllogised?
shouldn't you have syllogised?
shouldn't he have syllogised?
shouldn't we have syllogised?
shouldn't you have syllogised?
shouldn't they have syllogised? 	shouldn't I have been syllogising?
shouldn't you have been syllogising?
shouldn't he have been syllogising?
shouldn't we have been syllogising?
shouldn't you have been syllogising?
shouldn't they have been syllogising?