should skid
Regular verb: skid - skidded- skidded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd skid
you'd skid
she'd skid
we'd skid
you'd skid
they'd skid 	I'd be skidding
you'd be skidding
she'd be skidding
we'd be skidding
you'd be skidding
they'd be skidding	I should've skidded
you should've skidded
she should've skidded
we should've skidded
you should've skidded
they should've skidded	I should've been skidding
you should've been skidding
she should've been skidding
we should've been skidding
you should've been skidding
they should've been skidding	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't skid
you shouldn't skid
she shouldn't skid
we shouldn't skid
you shouldn't skid
they shouldn't skid 	I shouldn't be skidding
you shouldn't be skidding
she shouldn't be skidding
we shouldn't be skidding
you shouldn't be skidding
they shouldn't be skidding	I shouldn't have skidded
you shouldn't have skidded
she shouldn't have skidded
we shouldn't have skidded
you shouldn't have skidded
they shouldn't have skidded	I shouldn't have been skidding
you shouldn't have been skidding
she shouldn't have been skidding
we shouldn't have been skidding
you shouldn't have been skidding
they shouldn't have been skidding	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I skid?
should you skid?
should she skid?
should we skid?
should you skid?
should they skid? 	should I be skidding?
should you be skidding?
should she be skidding?
should we be skidding?
should you be skidding?
should they be skidding? 	should I have skidded?
should you have skidded?
should she have skidded?
should we have skidded?
should you have skidded?
should they have skidded? 	should I have been skidding?
should you have been skidding?
should she have been skidding?
should we have been skidding?
should you have been skidding?
should they have been skidding? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I skid?
shouldn't you skid?
shouldn't she skid?
shouldn't we skid?
shouldn't you skid?
shouldn't they skid? 	shouldn't I be skidding?
shouldn't you be skidding?
shouldn't she be skidding?
shouldn't we be skidding?
shouldn't you be skidding?
shouldn't they be skidding? 	shouldn't I have skidded?
shouldn't you have skidded?
shouldn't she have skidded?
shouldn't we have skidded?
shouldn't you have skidded?
shouldn't they have skidded? 	shouldn't I have been skidding?
shouldn't you have been skidding?
shouldn't she have been skidding?
shouldn't we have been skidding?
shouldn't you have been skidding?
shouldn't they have been skidding?