should atone
Regular verb: atone - atoned- atoned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd atone
you'd atone
she'd atone
we'd atone
you'd atone
they'd atone 	I'd be atoning
you'd be atoning
she'd be atoning
we'd be atoning
you'd be atoning
they'd be atoning	I should've atoned
you should've atoned
she should've atoned
we should've atoned
you should've atoned
they should've atoned	I should've been atoning
you should've been atoning
she should've been atoning
we should've been atoning
you should've been atoning
they should've been atoning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't atone
you shouldn't atone
she shouldn't atone
we shouldn't atone
you shouldn't atone
they shouldn't atone 	I shouldn't be atoning
you shouldn't be atoning
she shouldn't be atoning
we shouldn't be atoning
you shouldn't be atoning
they shouldn't be atoning	I shouldn't have atoned
you shouldn't have atoned
she shouldn't have atoned
we shouldn't have atoned
you shouldn't have atoned
they shouldn't have atoned	I shouldn't have been atoning
you shouldn't have been atoning
she shouldn't have been atoning
we shouldn't have been atoning
you shouldn't have been atoning
they shouldn't have been atoning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I atone?
should you atone?
should she atone?
should we atone?
should you atone?
should they atone? 	should I be atoning?
should you be atoning?
should she be atoning?
should we be atoning?
should you be atoning?
should they be atoning? 	should I have atoned?
should you have atoned?
should she have atoned?
should we have atoned?
should you have atoned?
should they have atoned? 	should I have been atoning?
should you have been atoning?
should she have been atoning?
should we have been atoning?
should you have been atoning?
should they have been atoning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I atone?
shouldn't you atone?
shouldn't she atone?
shouldn't we atone?
shouldn't you atone?
shouldn't they atone? 	shouldn't I be atoning?
shouldn't you be atoning?
shouldn't she be atoning?
shouldn't we be atoning?
shouldn't you be atoning?
shouldn't they be atoning? 	shouldn't I have atoned?
shouldn't you have atoned?
shouldn't she have atoned?
shouldn't we have atoned?
shouldn't you have atoned?
shouldn't they have atoned? 	shouldn't I have been atoning?
shouldn't you have been atoning?
shouldn't she have been atoning?
shouldn't we have been atoning?
shouldn't you have been atoning?
shouldn't they have been atoning?