should whittle
Regular verb: whittle - whittled- whittled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd whittle
you'd whittle
she'd whittle
we'd whittle
you'd whittle
they'd whittle 	I'd be whittling
you'd be whittling
she'd be whittling
we'd be whittling
you'd be whittling
they'd be whittling	I should've whittled
you should've whittled
she should've whittled
we should've whittled
you should've whittled
they should've whittled	I should've been whittling
you should've been whittling
she should've been whittling
we should've been whittling
you should've been whittling
they should've been whittling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't whittle
you shouldn't whittle
she shouldn't whittle
we shouldn't whittle
you shouldn't whittle
they shouldn't whittle 	I shouldn't be whittling
you shouldn't be whittling
she shouldn't be whittling
we shouldn't be whittling
you shouldn't be whittling
they shouldn't be whittling	I shouldn't have whittled
you shouldn't have whittled
she shouldn't have whittled
we shouldn't have whittled
you shouldn't have whittled
they shouldn't have whittled	I shouldn't have been whittling
you shouldn't have been whittling
she shouldn't have been whittling
we shouldn't have been whittling
you shouldn't have been whittling
they shouldn't have been whittling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I whittle?
should you whittle?
should she whittle?
should we whittle?
should you whittle?
should they whittle? 	should I be whittling?
should you be whittling?
should she be whittling?
should we be whittling?
should you be whittling?
should they be whittling? 	should I have whittled?
should you have whittled?
should she have whittled?
should we have whittled?
should you have whittled?
should they have whittled? 	should I have been whittling?
should you have been whittling?
should she have been whittling?
should we have been whittling?
should you have been whittling?
should they have been whittling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I whittle?
shouldn't you whittle?
shouldn't she whittle?
shouldn't we whittle?
shouldn't you whittle?
shouldn't they whittle? 	shouldn't I be whittling?
shouldn't you be whittling?
shouldn't she be whittling?
shouldn't we be whittling?
shouldn't you be whittling?
shouldn't they be whittling? 	shouldn't I have whittled?
shouldn't you have whittled?
shouldn't she have whittled?
shouldn't we have whittled?
shouldn't you have whittled?
shouldn't they have whittled? 	shouldn't I have been whittling?
shouldn't you have been whittling?
shouldn't she have been whittling?
shouldn't we have been whittling?
shouldn't you have been whittling?
shouldn't they have been whittling?