should diffract
Regular verb: diffract - diffracted- diffracted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd diffract
you'd diffract
he'd diffract
we'd diffract
you'd diffract
they'd diffract 	I'd be diffracting
you'd be diffracting
he'd be diffracting
we'd be diffracting
you'd be diffracting
they'd be diffracting	I should've diffracted
you should've diffracted
he should've diffracted
we should've diffracted
you should've diffracted
they should've diffracted	I should've been diffracting
you should've been diffracting
he should've been diffracting
we should've been diffracting
you should've been diffracting
they should've been diffracting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't diffract
you shouldn't diffract
he shouldn't diffract
we shouldn't diffract
you shouldn't diffract
they shouldn't diffract 	I shouldn't be diffracting
you shouldn't be diffracting
he shouldn't be diffracting
we shouldn't be diffracting
you shouldn't be diffracting
they shouldn't be diffracting	I shouldn't have diffracted
you shouldn't have diffracted
he shouldn't have diffracted
we shouldn't have diffracted
you shouldn't have diffracted
they shouldn't have diffracted	I shouldn't have been diffracting
you shouldn't have been diffracting
he shouldn't have been diffracting
we shouldn't have been diffracting
you shouldn't have been diffracting
they shouldn't have been diffracting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I diffract?
should you diffract?
should he diffract?
should we diffract?
should you diffract?
should they diffract? 	should I be diffracting?
should you be diffracting?
should he be diffracting?
should we be diffracting?
should you be diffracting?
should they be diffracting? 	should I have diffracted?
should you have diffracted?
should he have diffracted?
should we have diffracted?
should you have diffracted?
should they have diffracted? 	should I have been diffracting?
should you have been diffracting?
should he have been diffracting?
should we have been diffracting?
should you have been diffracting?
should they have been diffracting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I diffract?
shouldn't you diffract?
shouldn't he diffract?
shouldn't we diffract?
shouldn't you diffract?
shouldn't they diffract? 	shouldn't I be diffracting?
shouldn't you be diffracting?
shouldn't he be diffracting?
shouldn't we be diffracting?
shouldn't you be diffracting?
shouldn't they be diffracting? 	shouldn't I have diffracted?
shouldn't you have diffracted?
shouldn't he have diffracted?
shouldn't we have diffracted?
shouldn't you have diffracted?
shouldn't they have diffracted? 	shouldn't I have been diffracting?
shouldn't you have been diffracting?
shouldn't he have been diffracting?
shouldn't we have been diffracting?
shouldn't you have been diffracting?
shouldn't they have been diffracting?