should labour
Regular verb: labour - laboured- laboured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd labour
you'd labour
she'd labour
we'd labour
you'd labour
they'd labour 	I'd be labouring
you'd be labouring
she'd be labouring
we'd be labouring
you'd be labouring
they'd be labouring	I should've laboured
you should've laboured
she should've laboured
we should've laboured
you should've laboured
they should've laboured	I should've been labouring
you should've been labouring
she should've been labouring
we should've been labouring
you should've been labouring
they should've been labouring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't labour
you shouldn't labour
she shouldn't labour
we shouldn't labour
you shouldn't labour
they shouldn't labour 	I shouldn't be labouring
you shouldn't be labouring
she shouldn't be labouring
we shouldn't be labouring
you shouldn't be labouring
they shouldn't be labouring	I shouldn't have laboured
you shouldn't have laboured
she shouldn't have laboured
we shouldn't have laboured
you shouldn't have laboured
they shouldn't have laboured	I shouldn't have been labouring
you shouldn't have been labouring
she shouldn't have been labouring
we shouldn't have been labouring
you shouldn't have been labouring
they shouldn't have been labouring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I labour?
should you labour?
should she labour?
should we labour?
should you labour?
should they labour? 	should I be labouring?
should you be labouring?
should she be labouring?
should we be labouring?
should you be labouring?
should they be labouring? 	should I have laboured?
should you have laboured?
should she have laboured?
should we have laboured?
should you have laboured?
should they have laboured? 	should I have been labouring?
should you have been labouring?
should she have been labouring?
should we have been labouring?
should you have been labouring?
should they have been labouring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I labour?
shouldn't you labour?
shouldn't she labour?
shouldn't we labour?
shouldn't you labour?
shouldn't they labour? 	shouldn't I be labouring?
shouldn't you be labouring?
shouldn't she be labouring?
shouldn't we be labouring?
shouldn't you be labouring?
shouldn't they be labouring? 	shouldn't I have laboured?
shouldn't you have laboured?
shouldn't she have laboured?
shouldn't we have laboured?
shouldn't you have laboured?
shouldn't they have laboured? 	shouldn't I have been labouring?
shouldn't you have been labouring?
shouldn't she have been labouring?
shouldn't we have been labouring?
shouldn't you have been labouring?
shouldn't they have been labouring?