should attune
Regular verb: attune - attuned- attuned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd attune
you'd attune
she'd attune
we'd attune
you'd attune
they'd attune 	I'd be attuning
you'd be attuning
she'd be attuning
we'd be attuning
you'd be attuning
they'd be attuning	I should've attuned
you should've attuned
she should've attuned
we should've attuned
you should've attuned
they should've attuned	I should've been attuning
you should've been attuning
she should've been attuning
we should've been attuning
you should've been attuning
they should've been attuning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't attune
you shouldn't attune
she shouldn't attune
we shouldn't attune
you shouldn't attune
they shouldn't attune 	I shouldn't be attuning
you shouldn't be attuning
she shouldn't be attuning
we shouldn't be attuning
you shouldn't be attuning
they shouldn't be attuning	I shouldn't have attuned
you shouldn't have attuned
she shouldn't have attuned
we shouldn't have attuned
you shouldn't have attuned
they shouldn't have attuned	I shouldn't have been attuning
you shouldn't have been attuning
she shouldn't have been attuning
we shouldn't have been attuning
you shouldn't have been attuning
they shouldn't have been attuning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I attune?
should you attune?
should she attune?
should we attune?
should you attune?
should they attune? 	should I be attuning?
should you be attuning?
should she be attuning?
should we be attuning?
should you be attuning?
should they be attuning? 	should I have attuned?
should you have attuned?
should she have attuned?
should we have attuned?
should you have attuned?
should they have attuned? 	should I have been attuning?
should you have been attuning?
should she have been attuning?
should we have been attuning?
should you have been attuning?
should they have been attuning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I attune?
shouldn't you attune?
shouldn't she attune?
shouldn't we attune?
shouldn't you attune?
shouldn't they attune? 	shouldn't I be attuning?
shouldn't you be attuning?
shouldn't she be attuning?
shouldn't we be attuning?
shouldn't you be attuning?
shouldn't they be attuning? 	shouldn't I have attuned?
shouldn't you have attuned?
shouldn't she have attuned?
shouldn't we have attuned?
shouldn't you have attuned?
shouldn't they have attuned? 	shouldn't I have been attuning?
shouldn't you have been attuning?
shouldn't she have been attuning?
shouldn't we have been attuning?
shouldn't you have been attuning?
shouldn't they have been attuning?