should fine-tune
Regular verb: fine-tune - fine-tuned- fine-tuned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd fine-tune
you'd fine-tune
she'd fine-tune
we'd fine-tune
you'd fine-tune
they'd fine-tune 	I'd be fine-tuning
you'd be fine-tuning
she'd be fine-tuning
we'd be fine-tuning
you'd be fine-tuning
they'd be fine-tuning	I should've fine-tuned
you should've fine-tuned
she should've fine-tuned
we should've fine-tuned
you should've fine-tuned
they should've fine-tuned	I should've been fine-tuning
you should've been fine-tuning
she should've been fine-tuning
we should've been fine-tuning
you should've been fine-tuning
they should've been fine-tuning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't fine-tune
you shouldn't fine-tune
she shouldn't fine-tune
we shouldn't fine-tune
you shouldn't fine-tune
they shouldn't fine-tune 	I shouldn't be fine-tuning
you shouldn't be fine-tuning
she shouldn't be fine-tuning
we shouldn't be fine-tuning
you shouldn't be fine-tuning
they shouldn't be fine-tuning	I shouldn't have fine-tuned
you shouldn't have fine-tuned
she shouldn't have fine-tuned
we shouldn't have fine-tuned
you shouldn't have fine-tuned
they shouldn't have fine-tuned	I shouldn't have been fine-tuning
you shouldn't have been fine-tuning
she shouldn't have been fine-tuning
we shouldn't have been fine-tuning
you shouldn't have been fine-tuning
they shouldn't have been fine-tuning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I fine-tune?
should you fine-tune?
should she fine-tune?
should we fine-tune?
should you fine-tune?
should they fine-tune? 	should I be fine-tuning?
should you be fine-tuning?
should she be fine-tuning?
should we be fine-tuning?
should you be fine-tuning?
should they be fine-tuning? 	should I have fine-tuned?
should you have fine-tuned?
should she have fine-tuned?
should we have fine-tuned?
should you have fine-tuned?
should they have fine-tuned? 	should I have been fine-tuning?
should you have been fine-tuning?
should she have been fine-tuning?
should we have been fine-tuning?
should you have been fine-tuning?
should they have been fine-tuning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I fine-tune?
shouldn't you fine-tune?
shouldn't she fine-tune?
shouldn't we fine-tune?
shouldn't you fine-tune?
shouldn't they fine-tune? 	shouldn't I be fine-tuning?
shouldn't you be fine-tuning?
shouldn't she be fine-tuning?
shouldn't we be fine-tuning?
shouldn't you be fine-tuning?
shouldn't they be fine-tuning? 	shouldn't I have fine-tuned?
shouldn't you have fine-tuned?
shouldn't she have fine-tuned?
shouldn't we have fine-tuned?
shouldn't you have fine-tuned?
shouldn't they have fine-tuned? 	shouldn't I have been fine-tuning?
shouldn't you have been fine-tuning?
shouldn't she have been fine-tuning?
shouldn't we have been fine-tuning?
shouldn't you have been fine-tuning?
shouldn't they have been fine-tuning?